P1
BLACK+DECKER Powerseries Extreme Cordless Vacuum Cleaner
P2
Narwal S20 Pro Cordless Vacuum Mop with Self-Cleaning
Average score
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.5
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.3
Accessories and Tools
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.1
Accessory coverage varies by package and compared sources: some cite only a couple of tools (e.g., crevice and pet brush), while others reference broader attachment sets on certain versions; overall, tool selection is considered modest versus premium brands.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.5
Several reviews highlight a well-rounded in-box kit, commonly including a spare roller, spare filter, cleaning brush, and a bottle of Narwal cleaning solution. This reduces immediate add-on purchases and helps with early maintenance.
Aesthetic design and finish
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.8
Multiple reviewers call the S20 Pro sleek and premium-looking, with a clean gray finish and a modern base station. Fit-and-finish impressions are consistently positive in the video and article reviews.
AI, Smart, App and Automation
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.4
Smart dirt sensing and automatic adjustment are repeatedly mentioned, including blue-light style DirtSense indicators and posture detection features. A missing app connection is noted by at least one reviewer, but many still feel the on-device automation and modes cover most needs.
Airflow blowback
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
2.7
Multiple reviews mention a spray/kickback or blowback effect on hard floors, where debris can be pushed away rather than fully captured, especially with larger particles.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetAssembly and Setup
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.4
Assembly/setup is usually straightforward, but a few user experiences mention learning curve/friction points (notably battery insertion/fit and initial handling).
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.6
Setup is consistently described as quick, typically involving attaching the handle, charging, and filling the clean tank and solution reservoir. Several reviewers note it feels close to pre-assembled out of the box.
Automatic standby switch
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.6
Auto pause or standby when the unit is stood upright is appreciated for quick interruptions without dripping or running unnecessarily. This feature is treated as a practical convenience during room-to-room cleaning.
Battery and Charging
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.9
Battery convenience is a major theme: removable pack on the Extreme model enables swapping across the Black+Decker ecosystem and extending runtime with spares. Runtime claims are high on low power, while real-world high/strong settings are notably shorter; charging is often described as slow.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.2
Battery life is described as competitive for a wet-dry machine, but recharge time is called out as long by some reviewers, with one citing about a 3-hour full recharge. Buyers with very large areas may need to plan around recharge and tank refills.
Bin and Bag
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.3
Bin size is described as on the smaller side in some reviews, and the bin/canister assembly can be finicky or feel flimsy depending on the model variant referenced.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.5
Reviews praise the dirty tank design for separating solids from liquids and keeping disposal relatively tidy, helped by tight seals and a removable debris basket. Wet debris can still take some manual brushing or scraping to fully remove.
Build quality and durability
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.9
Build is generally described as solid for the price and able to take normal household use, though some note cheap-feeling plastics or a less-premium bin/parts compared with higher-end cordless models.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
3.9
Most impressions point to solid construction and good sealing around the tanks and head, supporting a premium feel. One hands-on reviewer experienced dripping and questioned long-term reliability, suggesting quality control could vary.
Carpet — High-Pile Pickup
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
1.6
High-pile/shag performance is more mixed and can drop significantly, with some reports of weak embedded pickup and snowplow behavior as the head sinks into plush carpet.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetCarpet — Low-Pile Pickup
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.9
Low-pile carpet pickup is generally rated as good for the price in several reviews, with strong surface pickup; independent lab-style scoring in one source is notably lower, suggesting variability by test method and debris type.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetCarpet — Medium-Pile Pickup
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.2
Medium-pile carpet performance is frequently cited as a strength, including deep-cleaning-style tests where embedded sand pickup is described as higher than expected for a budget cordless.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetClogging and debris prevention
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.4
Design elements like a lower-positioned water system, one-way flow, and dual-direction brush action are credited with reducing clogs and keeping debris moving into the tank. Reviews also connect this to better handling of hair and chunky food bits without the head jamming.
Comparative performance
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.6
In head-to-head and multi-model comparisons, the S20 Pro is often ranked at or near the top for overall package, especially on hard floors and for its drying system. Competitors may beat it on reverse pickup, rugs, or certain niche features, but the Narwal is frequently framed as the most complete option.
Controls and UI
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.5
Controls are generally simple (multiple power levels and, in some variants, brush-roll control). Some versions also reference auto/adjusting suction behavior, but the core experience is basic and easy to learn.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.5
The on-handle LCD and voice prompts are widely praised for clarity, showing mode, battery, alerts, and sometimes detergent status or timers. Some note the screen is small, but still informative and easy to follow during cleaning and self-clean cycles.
Cord length
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.0
Only one review gives a specific number, citing a 6-foot power cord for the dock, which influences where the base can sit. It is described as usable but not especially long.
Cord management
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.4
Where mentioned, reviewers appreciate dock-side cord routing or a cord holder that keeps the charging base tidy. This helps reduce clutter around the storage station.
Dried-On Stain Removal
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.3
Dried coffee and similar stains are often removed with a pass or two, and reviewers credit scrubbing pressure and a boost mode for tougher spots. Very sticky or thick dried sauces like ketchup may require multiple passes, and some note the dehydrating dry-down can leave color residue that needs manual roller cleaning.
Ease of use
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.6
Ease of use is a recurring positive: light weight, clear on-screen prompts, and one-button self-cleaning make daily cleanup straightforward. A few critiques relate to learning how to avoid backward passes and keeping up with tank emptying for best results.
Edge and Baseboard Cleaning (Hard Floors)
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.7
Edge performance is repeatedly called exceptional, with reviewers describing near-zero gaps along baseboards and strong cleaning at the front edge as well. This is one of the most consistently praised differentiators versus competing wet-dry models.
Emptying and Mess Control
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.1
Emptying is commonly described as workable but sometimes messy: users report dust flying or having to wrestle the bin off, with fine debris dropping during removal/emptying.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.5
Reviewers like the way the dirty tank separates solids, which helps keep emptying neater and reduces splashy cleanup. However, wet debris can adhere inside the tank and may need periodic scrubbing for a truly clean reset.
Filtration / Dust Containment
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
1.5
Filtration and dust containment are a repeated weakness. Several sources note an unsealed canister and poor fine-particle control (including smoke/particle-test style failures), making it a poor choice for allergy-sensitive use.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
3.9
Filtration is generally handled by a washable filter in or near the dirty-water tank; reviewers note it needs rinsing and fully drying before reuse. Some packages include a spare filter, which helps reduce downtime.
Floor Drying Time
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
3.8
Floors are often left reasonably dry after a pass, especially compared with older wet mops, and the heated roller drying helps after-use drying. One reviewer still observed dripping and wet roller marks when the unit was set down, so drying outcomes can depend on handling and mess type.
Floorhead design
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.1
No summary yet.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetFloorhead Seal on Hard Floors
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.4
No summary yet.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetFresh Liquid Pickup Speed
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.4
Fresh spills and wet messes are commonly cleaned in a single forward pass, including coffee, soda, cereal milk, and yogurt-like messes. Reverse-pass pickup is reported as weaker in at least one test, so best results come from forward cleaning.
Hair Pickup — Hard Floors
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
2.9
No summary yet.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.5
Hair pickup on hard floors is consistently positive in demonstrations, and reviewers say hair is carried into the tank rather than staying on the roller. Results are especially strong when paired with the anti-tangle roller design.
Hair‑Wrap / Tangle Resistance
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
2.7
Hair-wrap performance is inconsistent: some tests call it among the worst for tangling at its price, while others find it surprisingly acceptable with only moderate buildup. Expect periodic brush-roll cleaning.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.8
Anti-tangle performance is a consistent highlight, with multiple long-hair tests reporting zero wrap thanks to dual comb and dual rotation design choices. This is repeatedly positioned as a major improvement over wet-dry competitors that require cutting hair off the roller.
Hard Floor — Fine Dust Pickup
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.8
Hard-floor fine debris pickup is described as decent in some reviews, but performance is inconsistent and often requires extra passes, particularly near edges or when debris distribution is uneven.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.2
Reviews show strong pickup of fine particles like dust and flour on hard floors in forward passes. Performance can drop when cleaning backward, where some fine debris may be left behind.
Hard Floor — Large Debris Intake
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
2.6
Hard-floor large debris intake is a recurring complaint: multiple sources report it tends to push medium-to-large debris (rice/cereal/kibble) rather than reliably ingesting it.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.3
Large debris like cereal, rice, chips, and pet food is generally handled well, often with minimal scatter when moving forward. Backward passes can be less reliable, with some debris getting pushed or caught behind the wheels.
Headlight and LED lights
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.2
LED lighting is repeatedly called out as useful (often a standout feature at this price), improving visibility of dust and hair in darker areas and along edges.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
2.0
A frequent complaint is the lack of built-in headlights, which can make it harder to spot debris in dim rooms or under furniture. Reviewers generally treat this as a convenience miss rather than a deal-breaker.
Low-profile design
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.8
The low profile when laid flat helps it reach under toe-kicks and furniture, and reviewers repeatedly point to this as a practical advantage. It pairs well with posture detection that helps prevent water leaks when the unit is lowered.
Maintenance requirements
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.8
Maintenance is recurring: washable filters are common, brush-roll hair removal is sometimes necessary, and several reviewers stress that neglected filters can cause performance issues.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.0
Maintenance is generally reduced by the automated wash and heated dry, but users still need to empty the dirty tank and rinse and dry filters regularly. Neglecting post-clean tank care can cause odors, and some wish the self-clean used more water for an even cleaner reset.
Maneuverability and Handling
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.1
Maneuverability is a recurring strength, including easy navigation around furniture, low-profile reach under beds, and smooth handling for quick passes in typical rooms.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.7
Handling is a standout theme: reviewers consistently call the unit light, easy to steer, and comfortable thanks to a pivoting head and low center of gravity. Lay-flat movement and swivel action make it feel less fatiguing than many wet-dry rivals.
Mopping performance
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.3
Most reviews show strong one-pass vacuum-and-mop results on typical spills and tracked-in dirt, with multiple modes to tailor water and suction. Heavy muddy sludge or cleaning while pulling backward can expose weaknesses, including streaking or debris left behind in a few accounts.
Noise level
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.2
Noise is often described as a bit loud for its class in certain tests, though not universally framed as a deal-breaker given the price tier.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.7
Cleaning and especially the drying cycle are often described as unusually quiet for the category, with some reviewers measuring roughly 39 to 43 dB during roller drying. Quiet mode cleaning is also noted as comfortable for home use.
Odor control
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.4
Heated drying and a fully dried roller are credited with minimizing musty odors between uses. At the same time, reviewers warn that leaving dirty water or neglecting tank cleaning can still create lingering smells.
Ongoing ownership costs (bags, filters, batteries)
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.8
Ongoing costs are generally low (washable filters), but replacement filters/batteries are discussed as practical considerations; the ability to share batteries across tools can reduce effective ownership cost for existing Black+Decker owners.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetOverall opinion
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.5
Across the set of reviews, overall sentiment is strongly positive, with several reviewers ranking it as a top pick for hard floors. The most negative feedback comes from one reviewer who saw streaking and dripping during a heavy muddy test and withheld a recommendation, plus recurring complaints about reverse pickup and missing headlights.
Packaging quality
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.0
No summary yet.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetPet-Ready Features
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.9
Marketed and frequently discussed as pet-friendly, with generally solid pet-hair pickup on carpets and helpful tools on some bundles, but limited by filtration and variable anti-tangle behavior.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetPrice and Value
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.2
Consistently positioned as a budget standout: reviewers repeatedly frame it as hard to beat for the price, with strong carpet results and convenience features typically missing at this tier (self-standing, LEDs, swappable battery).
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.1
Value is usually framed as strong given the feature set and performance on hard floors, especially when discounted from the roughly 499 USD list price. Value perception drops if reverse cleaning, missing headlights, smaller tanks, or longer recharge time are major pain points.
Runtime
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.0
Default/low-power runtime is frequently described as long for the price (often cited up to ~55 minutes), but practical runtime drops in higher modes and during real cleaning sessions. Boost/high-power runtime is commonly characterized as short (often around the teens of minutes in max-style use) and not sufficient for whole-home deep cleaning without a spare battery.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.4
Runtime in everyday or smart-style modes is described as strong, with one measured test around 39 minutes in smart mode and multiple claims of up to about 60 minutes in quieter settings. Actual coverage depends heavily on mode choice and how dirty the floors are.
Sanitizing performance
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.6
High-temperature self-cleaning and heated drying are repeatedly positioned as a hygiene advantage that reduces bacterial growth and keeps the roller fresher. Reviewers treat it as more sanitary than air-drying rollers that stay damp.
Self-cleaning cycle
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.6
The self-clean and heated self-dry base is one of the biggest strengths, with multiple reviewers saying the roller comes out genuinely dry. Drying time is often described as sensor-controlled (roughly 30 to 80 minutes), though a few reviewers wish the wash used more water or note that strongly colored sauces may require extra manual cleaning.
Self-propel feature
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.4
Several reviewers describe helpful push-pull assistance that makes the unit feel self-propelled, especially in smart modes. One review notes there are no dedicated self-propulsion wheels, suggesting the assistance may come from roller traction and can feel different than true powered drive.
Solution / Liquid system
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.6
The separate detergent reservoir and auto-dosing system are frequently praised, often described as lasting up to about 40 days and allowing solution on or off control. Reviewers also like having a suction-only mode for liquid pickup without spraying detergent.
Stair Cleaning
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
2.3
Stair cleaning capability depends on variant and attachments: some comparisons note limitations in converting for stairs/handheld floorhead use, while others highlight convertible handheld utility with the right tools.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetStorage footprint and upright-stand stability
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.5
Storage is repeatedly praised due to the vacuum being able to stand upright on its own, with some models also including wall-mount storage/charging options.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
3.8
The dock base needs an outlet nearby, so placement can be less flexible in some rooms, and a few reviewers mention keeping it close to a plug. Most still find the storage setup straightforward once a spot is chosen.
Streaking / Residue
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
2.8
Most demos show clean-looking passes, but one reviewer reported visible streaks and a failed white-glove test after cleaning a heavy muddy mess. This suggests residue can occur in extreme grime or if the machine is set down while the roller is still wet.
Suction and Airflow
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.9
Airflow is often measured or described as strong for the price, while suction is more mixed: some reviews cite competitive wand suction, but others characterize overall suction as low for deeper or handheld-focused work.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.5
Most reviewers describe strong hard-floor pickup and cite about 20,000 Pa suction, with convincing performance on mixed dry and wet messes. A recurring caveat is that pickup is weaker when pulling the unit backward, where debris can get caught near the wheels.
Suitability for heavy-duty use
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
2.1
No summary yet.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetSuitability for small spaces
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.6
No summary yet.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetSupport and Reliability
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
3.0
Support and reliability feedback is mixed: one review flags stock availability and a short warranty, while another reports dripping or leaking after a heavy muddy cleanup. Most other reviews do not report failures, but these flags add some risk for cautious buyers.
Under-Furniture Pickup
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
4.1
Under-furniture access is highlighted as good thanks to a low-profile head and the ability to get under beds and furniture more easily than many budget sticks.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.8
The ability to recline fully and clean under beds, couches, and cabinets is frequently praised, aided by a low profile in the laid-flat posture. Some reviews also mention automatic power changes when going flat to maintain pickup.
Upholstery / Above-Floor Pickup
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.4
Above-floor and handheld use is described as useful for quick jobs, but suction-at-base and handle-weight comments suggest it is less ideal for extended handheld cleaning versus dedicated handheld-focused designs.
P2Product 2: Narwal S20 Pro Cordless Vacuum...
No score yetWater tank
P1Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
No score yet
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
3.8
Tank sizes are described as adequate for routine cleaning, with published or reviewer-cited capacities around 0.79 L clean and 0.67 L dirty. Some reviewers feel the clean tank is on the smaller side and one test required emptying the dirty tank after about 20 minutes, so large homes may need mid-clean stops.
Weight
P1
Product 1: BLACK+DECKER Powerseries Extreme Cordless Vacuum...
3.9
Weight is generally characterized as lightweight to moderate for a cordless stick, though some mention a heavier-in-hand feel for above-floor tasks depending on configuration and variant.
P2
Product 2: Narwal S20 Pro Cordless Vacuum...
4.7
Many reviews call out the low weight, commonly around 9 to 9.5 pounds, making it easier to carry upstairs and less tiring to push. Weight is often cited as one reason it feels more agile than rivals.