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Best Overall
Top estimated runtimes + best standby retention
Purchased for: $1499
Made In: China
Most expensive. Rated 2200W (4400W peak), 2402Wh. Very strong overall results, best standby after 15h (89%). Usable capacity ~1780Wh. Creator’s pick for best overall.
Highest idle/standby result (89% after 15h) and strongest overall scorecard pick in the video.
Best Value
Quietest + strong usable capacity for the size
Purchased for: $699
Made In: China
Rated 1800W, 1024Wh. Quietest fan tested (37.8 dB). Usable capacity ~900Wh. Solid standby (82% after 15h). Creator’s pick for best budget/all-around if price is right.
Quietest measured fan noise (37.8 dB) and ~900Wh usable from a 1024Wh-rated unit.
Runner-up
Best measured efficiency + biggest usable energy
Purchased for: $599
Made In: China
Rated 2200W with boost up to 3300W. Large 2408Wh rating. Best measured efficiency/usable capacity in the video: ~1880Wh (91.8%). Standby after 15h: 85%.
Delivered ~1880Wh usable (91.8% of rating) and strong standby (85% after 15h).
Prices are the on-video prices at time of review. URLs/ASINs intentionally left blank per instructions.
Lower price is better for value, but this chart is just a straight cost comparison.
Measured with a sound meter about 1 foot from the unit while powering ~1440W of halogen lighting. Lower is quieter.
Output ramped with a controller + space heater. Values reflect the sustained ‘best’ noted during the max-output segment (not brief peak surge marketing). Higher is better.
Three halogen lights were used as the load. This is the delivered energy measured by the energy meter until shutdown (or cutoff behavior). Higher is better.
Units sat idle with no loads connected for 15 hours. Higher remaining percentage means lower standby drain—important for UPS/standby scenarios.
Fastest charge mode used. Times are from the on-video stopwatch results. Lower is faster.
Binary score derived from the UPS segment: 1 = computer remained powered during wall unplug test, 0 = computer powered down (GRECELL).