Average score
Jackery Explorer 240D
4.3
dual-input charging
Jackery Explorer 240D
5.0
Combining USB-C with the dedicated DC input is a major strength, pushing recharge power close to 200W and reaching about 80% in an hour.
EcoFlow River 2
1.0
Charging sources cannot be combined; AC, USB-C, and XT60 inputs must be used one at a time.
input and output monitoring
Jackery Explorer 240D
5.0
Live input and output wattage is genuinely useful for balancing solar input, device draw, and remaining energy.
EcoFlow River 2
1.5
Live wattage information is helpful, but one technical test and one customer reported erratic or only approximate readings.
AC charging speed
Jackery Explorer 240D
1.8
Wall-charging results vary sharply by model and adapter. Direct 240D coverage is fast with high-power or dual input, while older Explorer 240 tests took five to eight hours.
EcoFlow River 2
5.0
A roughly 58-60 minute wall recharge is the clearest consensus strength and changes how easily the unit can be topped up between trips.
battery chemistry
Jackery Explorer 240D
2.0
One source describes shorter-lived lithium-ion behavior associated with older Explorer 240 coverage, contrasting with the LiFePO4 chemistry reported across direct 240D sources.
EcoFlow River 2
5.0
LFP chemistry is consistently treated as a major advantage for safety, frequent cycling, and long service life.
Bluetooth connectivity
Jackery Explorer 240D
2.0
The 240D does not include Bluetooth, so there is no nearby app-based status checking or control.
EcoFlow River 2
5.0
Bluetooth pairing was generally quick and reliable for local control while camping or away from Wi-Fi.
eco mode
Jackery Explorer 240D
5.0
Low-load auto-shutdown and energy-saving behavior help prevent needless drain when connected devices stop drawing meaningful power.
EcoFlow River 2
2.0
Unloaded energy-saving behavior reduces waste but creates higher USB ripple, making the implementation less polished than ideal.
full-load noise
Jackery Explorer 240D
5.0
A multi-device test near a substantial load remained effectively silent, reinforcing the advantage of a DC-only station without an AC inverter.
EcoFlow River 2
2.0
One owner specifically found the fan too loud, while other tests describe maximum-load noise as noticeable but manageable.
impact resistance
Jackery Explorer 240D
5.0
The older Explorer 240 survived accidental drops onto dirt and concrete with only minor scuffs, suggesting a resilient housing.
EcoFlow River 2
2.0
It is not shock-rated; ordinary vehicle bumps appear tolerable, but owners are advised not to drop it.
maximum solar input
Jackery Explorer 240D
5.0
The dedicated solar input accepts about 100W and held that limit reliably in testing. That is well matched to portable panels in this size class.
EcoFlow River 2
2.0
The 110W solar ceiling is suitable for the small battery but limits gains from larger panels.
Wi-Fi connectivity
Jackery Explorer 240D
2.0
There is no Wi-Fi connection or remote cloud monitoring. That keeps the unit simple and efficient, but removes smart-home-style visibility.
EcoFlow River 2
4.8
Wi-Fi enables monitoring and switching outputs from beyond Bluetooth range, which is useful for home or vehicle installations.
remaining runtime estimate
Jackery Explorer 240D
1.5
The display's biggest information gap is the lack of a dependable time-remaining estimate. Users must infer runtime from wattage and capacity.
EcoFlow River 2
4.0
The time estimate is useful and tracked charging closely in some tests, though another reviewer found such estimates inherently unreliable.
cold-weather performance
Jackery Explorer 240D
3.5
Cold-weather findings are mixed. Some sources expect dependable winter use, while one hands-on test found the LCD sluggish at 5°F.
EcoFlow River 2
1.0
One customer reported very short runtime around 30°F, while broader technical commentary says LFP chemistry itself tolerates cold better than older cells.
solar panel bundle value
Jackery Explorer 240D
2.0
Solar greatly expands usefulness, but buying panels separately can add a substantial unexpected cost. Bundle pricing deserves close comparison before purchase.
EcoFlow River 2
4.5
EcoFlow's folding panel and carry case feel premium and work well, but the carabiner-based stand can be fiddly and the bundle raises total cost.
outlet accessibility
Jackery Explorer 240D
5.0
Front-mounted ports remain easy to reach even when the station is tucked beside a bag or other gear.
EcoFlow River 2
2.6
The front layout is mostly roomy, though regional upside-down sockets and tight spacing around large plugs create occasional frustration.
energy efficiency
Jackery Explorer 240D
5.0
Skipping the AC inverter improves efficiency for USB devices by avoiding DC-to-AC-to-DC conversion. This is a central advantage of the 240D's design.
EcoFlow River 2
2.7
Efficiency is strongest on USB-C and DC loads, while AC round-trip results range from acceptable to disappointing for a small power station.
overload protection
Jackery Explorer 240D
2.0
The BMS does shut the station down when combined demand exceeds safe limits, though one test triggered protection quickly near the rated ceiling.
EcoFlow River 2
4.3
The unit generally shuts down and resets cleanly after oversized loads, though unexpected overload trips during solar charging were reported.
battery storage performance
Jackery Explorer 240D
1.5
Storage behavior is inconsistent. One older unit reportedly failed after being left too long, while a direct 240D report describes unusually fast idle drain.
EcoFlow River 2
3.7
Configurable charge limits help long-term storage, but self-discharge complaints make proper full shutdown important.
rated output
Jackery Explorer 240D
5.0
The 200W total rating is considered impressive for such a small station. It is ample for several personal electronics, but not high-wattage appliances.
EcoFlow River 2
2.8
Hands-on tests show it can sustain roughly its 300W rating, while higher loads depend on X-Boost and reduced performance.
power output
Jackery Explorer 240D
5.0
The 200W total DC output is unusually strong for the size. It supports demanding personal electronics but not AC appliances.
EcoFlow River 2
2.9
The 300W class output is useful for electronics and small appliances, but buyers repeatedly found it underpowered for broader backup needs.
load handling
Jackery Explorer 240D
2.0
One stress test found thermal shutdown during sustained near-rated output. The unit is better suited to moderate electronics than continuous operation near its ceiling.
EcoFlow River 2
4.1
Phones, laptops, routers, fans, lights, coolers, pumps, and other small loads are its sweet spot, with many owners reporting trouble-free operation.
solar panel compatibility
Jackery Explorer 240D
5.0
The station works well with Jackery and many third-party panels when voltage and connectors match. The dedicated solar input is more robust than relying only on USB-C.
EcoFlow River 2
3.0
XT60 input works with EcoFlow and many third-party panels through adapters, although the voltage/current window can be awkward and some owners hit compatibility problems.
control panel layout
Jackery Explorer 240D
5.0
Front-facing, clearly separated ports make connections easy to understand and reduce cable clutter. Dedicated output-only and bidirectional USB-C roles are particularly useful.
EcoFlow River 2
3.0
Ports are easy to reach, but exposed buttons can be pressed accidentally when the unit is packed in a bag.
instruction quality
Jackery Explorer 240D
3.0
Instruction quality is uneven. One unboxing praised the concise picture-based guide, while another source criticized grammar and misleading technical details.
EcoFlow River 2
5.0
The manual is detailed and covers operation, storage, warnings, and solar connections well.
over-temperature protection
Jackery Explorer 240D
3.0
Thermal protection successfully shut the unit down during a prolonged heavy load, though the interruption occurred below the nominal continuous rating.
EcoFlow River 2
5.0
The BMS continually tracks temperature and active cooling prevents excessive heat during demanding use.
repairability
Jackery Explorer 240D
1.0
Repair economics look poor when a replacement battery can cost more than the complete unit. Long-term ownership depends heavily on avoiding an early hardware failure.
EcoFlow River 2
3.0
The case can be opened with screws, but the tightly integrated internals are not designed for simple consumer repair.
storage preparation
Jackery Explorer 240D
3.0
Storage care matters. Moderate charge levels can minimize degradation, while older-model owner reports warn against leaving the unit unattended for many months.
EcoFlow River 2
5.0
App-controlled charge limits make it easy to leave the battery near a storage-friendly level before storms or trips.
USB-C ports
Jackery Explorer 240D
4.4
Three USB-C ports suit modern laptops, tablets, phones, and gaming devices very well. The layout is a major improvement over older Explorer 240 models that lacked USB-C.
EcoFlow River 2
2.7
A single bidirectional USB-C port is convenient, yet several users wanted a second port for modern gear.
USB-A ports
Jackery Explorer 240D
4.0
One legacy USB-A port is considered sufficient beside the three more useful USB-C ports. The balance favors modern devices without completely abandoning older cables.
EcoFlow River 2
2.3
The two USB-A ports are useful for legacy devices but lack broad fast-charge protocol support and sometimes fall short of their rated output.
battery capacity
Jackery Explorer 240D
4.1
The 256Wh capacity is generous for phones, laptops, cameras, drones, and short outings, but modest for multi-day use. It works best as device backup rather than appliance backup.
EcoFlow River 2
2.4
The 256Wh battery is well matched to light weekend use and mobile electronics, but it is too small for overnight refrigeration or serious home backup.
DC output
Jackery Explorer 240D
5.0
The 240D's direct-DC architecture is a strong match for USB-native gear, delivering efficient power without inverter losses. Its usefulness drops sharply for anything requiring a wall outlet.
EcoFlow River 2
3.3
The 12V output works for coolers, pumps, and field gear, but its 8A ceiling is lower than the common 10A offered elsewhere.
solar cable compatibility
Jackery Explorer 240D
3.3
The dedicated 8020 input is sturdy, but third-party panels may require adapters. Compatibility is broad once the correct connector and voltage range are matched.
EcoFlow River 2
5.0
XT60 works with EcoFlow and third-party panel cables, though separate shipments, missing cables, and isolated input failures caused frustration.
usable battery capacity
Jackery Explorer 240D
4.0
About 218Wh of usable energy is a realistic expectation after conversion losses, enough for a focused kit of USB devices.
EcoFlow River 2
2.3
Measured usable energy falls below the 256Wh headline, with technical results around 200-218Wh and one customer reporting a much lower faulty result.
home backup capability
Jackery Explorer 240D
3.0
The 240D is useful during short outages for phones, laptops, lights, cameras, and connectivity gear. It is not a substitute for appliance or whole-home backup.
EcoFlow River 2
4.5
It is effective for routers, lights, phones, and other essentials during short outages, but the small battery is not a substitute for whole-home or long-duration backup.
hot-weather performance
Jackery Explorer 240D
3.5
Summer operation is generally supported, but one test measured slower charging around 95°F. High heat can trigger protective throttling.
EcoFlow River 2
5.0
The unit sustained rated operation in simulated heat, with active cooling managing temperature under load.
USB-C power delivery
Jackery Explorer 240D
5.0
The 140W USB-C port is a standout strength, handling demanding laptops and gaming hardware at or near full charging speed. Every direct test of the high-power port was strongly positive.
EcoFlow River 2
3.6
The consistent hands-on result is 60W bidirectional USB-C—adequate for many laptops, but less versatile than 100W competitors and weak for some legacy fast-charge modes.
charging efficiency
Jackery Explorer 240D
4.8
The DC-focused design wastes little energy, and measured USB efficiency is strong. Older Explorer 240 testing also produced unusually high capacity-to-output efficiency.
EcoFlow River 2
3.4
Fast AC charging trades some efficiency for speed, while DC and USB-C results range from solid to excellent depending on voltage and load.
display readability
Jackery Explorer 240D
3.7
The screen is generally easy to read head-on and in daylight, but angle washout, darkness, and cold-weather lag can reduce usability.
EcoFlow River 2
5.0
Testers could read the screen in direct sunlight, and customers found the battery and consumption information easy to understand.
car charging speed
Jackery Explorer 240D
2.3
Vehicle charging works but is usually slower than high-power USB-C or dual input. Results range from acceptable top-ups to six- or eight-hour full charges in older-model coverage.
EcoFlow River 2
3.5
The 12V input is convenient and can approach 100W, but isolated owners reported car-charging failures and inverter compatibility problems.
self-discharge rate
Jackery Explorer 240D
3.5
Storage results conflict: one test saw only 2% loss over three months, while another report described rapid idle drain. Checking a unit periodically is prudent.
EcoFlow River 2
2.3
Experiences are split: some fully powered-down units held their percentage for days, while others lost substantial charge within 24 hours or over several weeks.
materials quality
Jackery Explorer 240D
4.7
The exterior design and hardware are generally well liked, with sturdy cable mounts and a cleaner look than older orange-heavy Jackery styling.
EcoFlow River 2
3.5
External materials feel solid, but one teardown found inconsistent conformal coating and unsupported internal components.
high-demand appliance support
Jackery Explorer 240D
1.3
This is not an appliance-backup station. Refrigerators, kettles, pumps, CPAP machines with AC plugs, and similar loads are either impossible to connect or run for too little time.
EcoFlow River 2
2.4
Coffee makers, heaters, toaster ovens, large tools, and full-size appliances often overload it or drain it too quickly; X-Boost only partly expands the range.
customer support
Jackery Explorer 240D
2.5
Support experiences are inconsistent. Some owners describe quick, helpful replacements, while others report unanswered requests and prolonged warranty trouble.
EcoFlow River 2
3.6
Support experiences range from fast replacements and generous resolutions to prolonged runarounds, poor communication, and refund problems.
included accessories
Jackery Explorer 240D
2.0
The package is sparse: typically the station, integrated USB-C cable, and documentation. The missing wall adapter, car lead, or solar adapter can add meaningful cost.
EcoFlow River 2
3.0
Core AC and car cables are normally included, yet separate solar-cable shipments caused repeated confusion and several customers initially believed parts were missing.
accessory ecosystem
Jackery Explorer 240D
4.0
Existing Jackery owners benefit from compatible cables and charging accessories. New buyers may need to add a high-power wall charger, car cable, or solar adapter.
EcoFlow River 2
5.0
Solar panels, app integrations, cables, backpacks, and larger EcoFlow models create a useful ecosystem around the base unit.
battery percentage accuracy
Jackery Explorer 240D
2.0
Percentage reporting is a concern in a few sources, ranging from coarse increments to sudden 10% jumps. Buyers should not assume laboratory-level precision.
EcoFlow River 2
1.0
One owner saw an implausibly rapid fall from 99% to 74%, raising concern about calibration on that unit.
built-in light
Jackery Explorer 240D
1.0
There is no built-in lantern, a notable omission beside competitors such as the Anker C300 DC. Campers may need to carry a separate light.
EcoFlow River 2
2.0
Unlike several competitors, it has no built-in flashlight, a missed convenience for camping and emergencies.
cable storage
Jackery Explorer 240D
5.0
The detachable 140W USB-C cable doubling as the carry handle is the most consistently praised design feature. It removes one loose cable from the packing list and is hard to forget.
EcoFlow River 2
4.0
The supplied AC cord includes a tie, but there is no dedicated onboard compartment for cables.
firmware updates
Jackery Explorer 240D
4.0
One source reports that firmware updates can improve charging behavior, though other hands-on coverage says the 240D lacks app access for installing them.
EcoFlow River 2
5.0
Updates were easy to install and have improved features such as auto-shutoff behavior.
app connectivity
Jackery Explorer 240D
2.8
App opinions are mixed. Some coverage mentions cycle counts and firmware access, while hands-on 240D tests report no app support and question whether a small nearby unit needs it.
EcoFlow River 2
3.7
Phone pairing adds remote status and controls, though some owners disliked needing internet or an account and one reported a model without expected connectivity.
display quality
Jackery Explorer 240D
4.0
The small display covers the essentials, including charge percentage and live wattage. It is functional rather than feature-rich.
EcoFlow River 2
4.9
The front LCD is bright, clean, and informative, showing charge, input/output power, and time estimates without clutter.
heat management
Jackery Explorer 240D
5.0
A demanding multi-device test found no overheating, supporting confidence in the thermal design under ordinary use.
EcoFlow River 2
4.1
Active cooling keeps the unit from overheating during heavy use, but fast charging can make it warm and a few fault reports involved heat-related shutdowns.
AC outlet count
Jackery Explorer 240D
1.0
The defining limitation is the complete absence of an AC outlet on the 240D. Anything with a standard wall plug requires a different power station.
EcoFlow River 2
1.8
One or two regional AC sockets are not enough for every setup, and bulky plugs can effectively reduce the usable count.
battery longevity
Jackery Explorer 240D
4.3
The LiFePO4-equipped 240D is expected to last many years, with claims around a decade. A few sources caution that electronics and the BMS may fail before the cells reach their theoretical lifespan.
EcoFlow River 2
5.0
Several reviewers expect roughly eight to ten years of regular use before capacity falls to about 80%.
weight
Jackery Explorer 240D
5.0
Sub-five-pound direct 240D measurements make weight a standout advantage. It is dramatically easier to carry than most conventional power stations.
EcoFlow River 2
4.3
Most reviewers consider it exceptionally light for a power station, though a few buyers still found it heavier than expected or unsuitable for hiking.
handle comfort
Jackery Explorer 240D
5.0
The integrated strap-handle supports easy one-handed carrying and feels secure. Its dual role as a cable makes it more useful than a conventional fixed handle.
EcoFlow River 2
4.3
The sturdy rear grab handle makes one-handed carrying easy and protects airflow, but it adds depth and some reviewers preferred a different placement.
air travel suitability
Jackery Explorer 240D
1.0
At 256Wh, the battery is too large for normal commercial-airline carry-on rules. It is travel-friendly by car or on foot, not by plane.
EcoFlow River 2
1.7
At 256Wh it is generally over airline carry-on limits, so it should be treated as road-travel equipment rather than a flyable battery.
operating temperature range
Jackery Explorer 240D
4.3
The stated operating range is broad enough for many outdoor situations, and several sources praise all-season usefulness. Performance still degrades at temperature extremes.
EcoFlow River 2
5.0
Technical testing found full input and output performance in simulated hot and cold conditions, though one customer reported poor cold runtime.
size and footprint
Jackery Explorer 240D
5.0
The older Explorer 240's smaller footprint was already a strength, and the 240D pushes the concept further with an even narrower DC-only body.
EcoFlow River 2
4.3
Its low height and flat top pack efficiently, though the protruding handle can make it deeper or awkward inside narrow enclosures.
warranty
Jackery Explorer 240D
4.0
Warranty coverage ranges from two to five years depending on source, seller, and registration. The length is competitive, though support execution is not consistently praised.
EcoFlow River 2
4.6
The five-year warranty is unusually strong for this price and category, although a few customers reported frustrating disputes over coverage.
battery management system
Jackery Explorer 240D
4.4
Protection coverage is generally reassuring, including temperature, voltage, and battery-health safeguards. A minority of reports identify the BMS as a possible reliability weak point.
EcoFlow River 2
5.0
Charge limits, temperature monitoring, tapering near full, and other BMS protections give buyers confidence in long-term battery care.
battery cycle life
Jackery Explorer 240D
4.5
Direct 240D coverage repeatedly praises the 6,000-cycle rating as exceptional for this size. Older Explorer 240 sources report only about 500 cycles, so model generation matters.
EcoFlow River 2
5.0
The 3,000-cycle rating is one of the product's strongest selling points, giving heavy users far more expected life than older NMC packs.
battery reliability
Jackery Explorer 240D
2.0
Most direct coverage is optimistic, but owner reports include early failures and charging problems. Reliability confidence is therefore weaker than the cell-life claims alone suggest.
EcoFlow River 2
2.5
Many units work daily without issue, but the customer set includes serious failures to charge, early shutdowns, dead ports, and rapid depletion.
charging cable quality
Jackery Explorer 240D
4.2
The braided handle-cable feels durable, flexible, and capable of high-power charging. Its main compromise is its short length when a device must stay in use.
EcoFlow River 2
4.7
The direct kettle-style AC lead avoids a bulky brick and is easy to replace, while the XT60 car cable is more specialized and worth keeping track of.
12-volt outlet
Jackery Explorer 240D
1.5
The 240D omits a car-style 12V output, which is a real drawback for portable fridges and other vehicle accessories. USB-only users may not miss it.
EcoFlow River 2
2.0
The car-style outlet handles many accessories, though a few owners reported heater incompatibility or outright port failure and reviewers disliked the loose or missing cover.
pass-through charging
Jackery Explorer 240D
4.5
Pass-through operation works well and can keep devices running while the station recharges. Heavy simultaneous input and output may add heat or reduce available power.
EcoFlow River 2
5.0
It can power connected devices while recharging, making it useful for continuous desk, router, and light backup duties.
outlet selection
Jackery Explorer 240D
3.0
The USB-focused port array is excellent for modern electronics, but the lack of AC and 12V outputs makes the overall selection highly use-case dependent.
EcoFlow River 2
3.5
The USB, 12V, and AC mix covers common portable electronics well, but the limited number of AC connections narrows heavier use.
value for money
Jackery Explorer 240D
4.5
Value is strongest when discounted and used for USB-centric gear. Buyers needing AC output or a full accessory bundle may find a slightly larger station more economical.
EcoFlow River 2
4.0
Frequent discounts make it compelling for light-duty users, but full-price buyers may prefer larger capacity or competitors with more ports.
water resistance
Jackery Explorer 240D
2.0
The available IP20 assessment offers no meaningful rain protection. Outdoor users should keep the station dry.
EcoFlow River 2
1.6
It is not water-resistant and must stay dry; exposed ports and the cooling fan make rain, boats, and wet ground poor environments.
long-term reliability
Jackery Explorer 240D
3.5
Brand reputation and LiFePO4 chemistry inspire confidence, but isolated early failures keep the long-term outlook from being unequivocal.
EcoFlow River 2
3.9
Multi-year adventure use and daily installations are encouraging, yet a handful of owners experienced failures within months.
runtime
Jackery Explorer 240D
3.2
Runtime is strong for phones, laptops, cameras, lights, and Starlink Mini, but short for coolers and CPAP use. Real results depend heavily on device draw and conversion path.
EcoFlow River 2
2.9
Runtime varies sharply by load: phones and networking gear can last hours or days, while 150-300W appliances may empty it in under two hours.
simultaneous device support
Jackery Explorer 240D
5.0
Four ports and a 200W shared budget handle several personal devices at once. Laptops, phones, cameras, tablets, and gaming hardware can share the station effectively.
EcoFlow River 2
4.7
Its mix of USB, DC, and AC connections can charge several low-power devices together, which campers and outage users found genuinely useful.
ease of use
Jackery Explorer 240D
5.0
Simple buttons, straightforward ports, and minimal setup make the station approachable for first-time users. The built-in cable further reduces daily friction.
EcoFlow River 2
4.8
Simple buttons, a clear display, and direct outputs make the unit approachable even without the app.
solar generator functionality
Jackery Explorer 240D
5.0
When paired with a suitable panel, the station can provide a practical continuous off-grid supply for small electronics. The compact solar setup is especially useful for camping and remote work.
EcoFlow River 2
4.8
Paired with a compact panel, it is highly useful for camping, field work, shop lighting, and keeping electronics charged off-grid.
noise level
Jackery Explorer 240D
3.8
The DC-only design is usually silent or nearly silent. A few reports mention fan or coil noise, including unexpected fan activity at light loads.
EcoFlow River 2
3.6
The fan is usually quiet or off at light loads, but fast AC charging and heavy output can produce audible whine or loud bursts.
recharge speed
Jackery Explorer 240D
4.4
With a suitable high-power charger or dual input, the 240D recharges very quickly and can reach 80% in about an hour. Slower adapters greatly extend that time.
EcoFlow River 2
4.2
Owners repeatedly praised how quickly it tops up, especially compared with traditional backup batteries and slower budget stations.
build quality
Jackery Explorer 240D
4.6
The chassis, handle mounts, and braided cable generally feel sturdy and practical. Hands-on tests describe secure connections and typical Jackery solidity.
EcoFlow River 2
4.8
The shell, controls, feet, and ports generally feel robust and premium, despite isolated defective units and a few internal-finish criticisms.
solar charging speed
Jackery Explorer 240D
4.4
A good 100W panel can refill the 240D in roughly three to four hours under strong sun. Cloud cover and older lower-input models stretch that substantially.
EcoFlow River 2
4.4
With a well-matched 100-110W panel and good sun, a full recharge commonly takes about three to four hours, though real weather can slow it dramatically.
portability
Jackery Explorer 240D
5.0
The 240D is exceptionally easy to carry for a 256Wh device. It suits road trips, field work, camping, photography, and remote work without the bulk of a conventional power station.
EcoFlow River 2
5.0
At about 7.7 pounds with a large rear handle, it is repeatedly praised as easy to carry for camping, road trips, field work, and short outages.
compactness
Jackery Explorer 240D
5.0
Compactness is the clearest consensus strength. The 240D fits backpacks, shelves, vehicle storage, and campsite setups far more easily than inverter-equipped stations.
EcoFlow River 2
5.0
The small footprint is a defining advantage, fitting vehicles, bags, desks, and crowded camping kits without sacrificing basic outputs.
storage convenience
Jackery Explorer 240D
5.0
The compact upright shape, built-in cable, and low weight make it easy to keep in a car, backpack, shelf, or camping bin.
EcoFlow River 2
5.0
The flat, slightly dished top can hold or stack gear, a practical improvement over the original top-handle design.
output stability
Jackery Explorer 240D
5.0
Hands-on tests found stable power delivery across multiple devices and high combined loads. Direct DC output is well suited to sensitive electronics.
EcoFlow River 2
5.0
AC output stayed clean and stable at rated load in technical testing, with smooth recovery after brownouts and ordinary use.
cooling performance
Jackery Explorer 240D
5.0
The station stayed cool during extended use in the available hands-on test, with only mild warmth under heavier loads.
EcoFlow River 2
5.0
The fan and front-to-rear airflow keep the enclosure from becoming excessively hot, though they add noise and dust exposure.
durability
Jackery Explorer 240D
5.0
Older Explorer 240 travel testing found the unit tough enough for repeated motorcycle and camping use.
EcoFlow River 2
5.0
The case survived real drops in one test and feels suited to outdoor use, though it lacks formal shock and weather protection.
ease of setup
Jackery Explorer 240D
5.0
Setup is minimal: unbox the station, attach the cable-handle, and connect a charger or device. The straightforward start-up process suits first-time users.
EcoFlow River 2
5.0
Most buyers found setup, app pairing, and first use straightforward, with plug-and-play operation.
idle noise
Jackery Explorer 240D
2.0
Some users report the fan activating even when the unit is not under load. That behavior is unusual for a small DC-only station and can be distracting.
EcoFlow River 2
2.0
The fan can remain audible even at its lowest speed, which matters in bedrooms and quiet campsites.
LiFePO4 battery
Jackery Explorer 240D
5.0
The 240D's LiFePO4 cells are widely praised for safety and long service life. This chemistry is one of its strongest upgrades over older Explorer 240 versions.
EcoFlow River 2
5.0
The LFP pack is widely praised for safer operation, strong temperature tolerance, and roughly six times the cycle life of older lithium-ion designs.
lifting ease
Jackery Explorer 240D
5.0
The compact body and integrated handle make one-handed lifting easy. It is far less cumbersome than conventional power stations.
EcoFlow River 2
5.0
The low weight and oversized grab handle make it easy to lift and carry one-handed over meaningful distances.
MPPT controller performance
Jackery Explorer 240D
5.0
The dedicated solar controller tracks changing panel voltage well and makes effective use of available sunlight. Tests and comparisons consistently favor the proper MPPT input over improvised USB-C solar charging.
EcoFlow River 2
5.0
One hands-on test pulled about 95W from a 100W panel, showing strong tracking under good sun.
over-voltage protection
Jackery Explorer 240D
5.0
Electrical protection is presented as reassuring for connected devices, especially during ordinary indoor and travel use.
EcoFlow River 2
5.0
Layered BMS monitoring of voltage, current, and temperature is presented as a strong safety and battery-life feature.
power quality
Jackery Explorer 240D
5.0
Older Explorer 240 coverage praises pure sine wave AC for sensitive electronics; the current 240D instead relies on stable direct-DC output.
EcoFlow River 2
5.0
Technical measurements found clean, stable AC output that compared favorably with ordinary mains power.
pure sine wave output
Jackery Explorer 240D
5.0
Older Explorer 240 coverage praises pure sine wave AC for sensitive electronics. The 240D itself removes the inverter and instead supplies stable DC power.
EcoFlow River 2
5.0
The inverter produces clean sine-wave AC that testers trusted with routers, computers, TVs, and other electronics.
short-circuit protection
Jackery Explorer 240D
5.0
Short-circuit protection is part of a reassuring safety suite intended to protect both the battery and connected devices.
EcoFlow River 2
5.0
Safety-focused coverage highlights short-circuit protection as part of the unit's certified protection system.
standby power loss
Jackery Explorer 240D
2.0
One report describes roughly 1% charge loss every 1.5 hours while idle, which would be poor for emergency storage. Other storage results are better, so unit-to-unit consistency is uncertain.
EcoFlow River 2
2.0
Technical tests and owners found meaningful idle draw, especially with AC output or UPS mode enabled.
ventilation requirements
Jackery Explorer 240D
5.0
As a battery station, it produces no exhaust or carbon monoxide and can be used indoors without generator-style ventilation. Normal heat clearance is still sensible.
EcoFlow River 2
5.0
The rear handle helps preserve exhaust clearance against walls, but the vents still need open space and shelter from debris.
weather resistance
Jackery Explorer 240D
2.0
The enclosure is not meaningfully rainproof. Despite outdoor positioning, it should be protected from moisture and wet ground.
EcoFlow River 2
2.0
It tolerates normal sheltered outdoor use, but rain, wet ground, and exposed conditions require extra protection.
app privacy
Jackery Explorer 240DNo score yet
EcoFlow River 2
2.0
Mandatory registration, internet access, and account binding bothered several users who wanted local-only control.
app quality
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.6
The EcoFlow app is widely praised for polished controls, charge limits, output switching, and firmware access, although deeper logging and automation remain limited.
automatic start
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
A vehicle installation kept the unit charging automatically whenever the engine ran, making the setup effectively always ready.
battery expandability
Jackery Explorer 240DNo score yet
EcoFlow River 2
1.5
Capacity is fixed on the base model, and the lack of a clean add-on battery path makes larger River or Delta models better for growing needs.
charging input compatibility
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.3
AC, car, solar, and bidirectional USB-C make charging unusually flexible, but failed ports and modified-sine inverter incompatibility appear in isolated reports.
color options
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.0
Only one two-tone gray scheme is offered, but reviewers generally found it stylish and consistent with the EcoFlow range.
design aesthetics
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.6
The two-tone shell and flat-top redesign are generally liked for clean looks and practicality, even if the rear handle appears less sleek.
dust resistance
Jackery Explorer 240DNo score yet
EcoFlow River 2
2.0
The fan and uncovered ports create clear dust-entry points, so occasional cleaning and sheltered use are sensible.
energy usage tracking
Jackery Explorer 240DNo score yet
EcoFlow River 2
3.5
The app shows useful live power trends, but it lacks deeper solar history, cycle counts, and long-term data logging.
EPS switchover speed
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.0
Measured switching around 16-30ms worked well for lights, routers, and many electronics, but sensitive workstations remain a questionable match.
expandability
Jackery Explorer 240DNo score yet
EcoFlow River 2
2.0
The base unit lacks the modular capacity options found on newer or larger models.
fold-flat handle
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.0
The sturdy handle does not fold, yet reviewers generally preferred its fixed rear placement for carrying, stacking, and airflow.
housing durability
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
The plastic shell is repeatedly described as robust and premium, despite lacking formal shock or weather ratings.
inverter quality
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.5
The compact inverter is efficient for light loads and delivers clean power, though measured AC conversion was not class-leading.
off-gassing odor
Jackery Explorer 240DNo score yet
EcoFlow River 2
1.0
One owner reported a strong hot-electronics smell across two units, along with noise concerns while charging.
operating cost
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.0
One analysis judged lifetime stored-energy cost reasonable for the unit's small size, especially when bought on sale.
overall product satisfaction
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.3
The broad consensus is highly positive for fast-charging portable power, tempered by the small battery, 300W ceiling, and a minority of serious reliability complaints.
packaging quality
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
Most units arrived well protected in foam and intact, though split shipments for cables and the station created confusion.
peak output
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.0
X-Boost can keep some appliances rated up to 600W operating, but it does so by reducing voltage rather than delivering a true 600W continuous output.
push-button start
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
The front power and output buttons are simple, clearly indicated, and easy to operate.
quiet mode
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.0
Reducing AC charge rate through the app noticeably lowers fan noise, though the fan may still be audible.
remote control
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
AC and DC outputs can be switched from the app, adding convenience for installations and backup setups.
remote monitoring
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
The app is especially handy when the unit is mounted under a seat or otherwise hard to see, showing charge, temperature, and power flow remotely.
replaceable battery support
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.0
One teardown-oriented reviewer said the internal pack can be reached and replaced, though it is not a simple user-swappable design.
replacement battery cost
Jackery Explorer 240D
1.0
One owner reported replacement batteries costing more than twice the original device price, making repair economically unattractive.
EcoFlow River 2No score yet
runtime at full load
Jackery Explorer 240DNo score yet
EcoFlow River 2
2.0
At the full 300W AC rating, the 256Wh battery lasts under an hour, making maximum output suitable only for brief tasks.
runtime at half load
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
A technical test delivered about one hour and twenty minutes at a 150W load, a solid result for the 256Wh battery.
safety certifications
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
A technical reviewer praised the North American safety listing and the seriousness of the product's protection design.
sleep mode behavior
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
Configurable low-draw shutdown is useful for CPAP and storage scenarios, giving owners more control than many basic units.
specification accuracy
Jackery Explorer 240DNo score yet
EcoFlow River 2
2.8
Most technical measurements support the stated capacity and power, but regional listings, weight claims, and the 600W X-Boost headline can be confusing.
surge capacity
Jackery Explorer 240DNo score yet
EcoFlow River 2
5.0
Short bursts and X-Boost worked as intended in testing, helping the inverter avoid immediate shutdown on compatible loads.
UPS functionality
Jackery Explorer 240DNo score yet
EcoFlow River 2
4.6
Pass-through backup is a valuable extra for routers and tolerant electronics; some tests kept computers running, while others warn the sub-30ms transfer is not a true online UPS.
voltage regulation
Jackery Explorer 240DNo score yet
EcoFlow River 2
2.5
X-Boost keeps some oversized resistive loads running by lowering voltage, so appliances may work more slowly or weakly.
whole-home integration
Jackery Explorer 240DNo score yet
EcoFlow River 2
1.0
The River 2 is not intended for a household distribution board or whole-home backup; it is limited to individual low-power essentials.
wireless charging
Jackery Explorer 240DNo score yet
EcoFlow River 2
2.3
There is no built-in wireless charging pad; phones must use USB or an external charger through AC.