Near-maximum-load testing delivered roughly half an hour of steady operation without hiccups.
Pros: rated output, peak output
Cons: startup reliability, full-load noise
Best Generators for runtime at full load
Near the inverter’s limit, runtime is necessarily short. A hair dryer ran for about 20 minutes, while cooking loads depleted the battery faster than expected.
Pros: rated output, output stability
Cons: over-voltage protection, cold-weather performance
Results at the limit were mixed: some tests sustained near-rated output, while another shut down near empty and reviewers discouraged all-day maximum loading.
Pros: surge capacity, voltage regulation
Cons: water resistance, ventilation requirements