12V 4500mAh Battery Backup Test with 100W Filament Bulb - Shocking Results!
15 ah battery backup test :- [ Ссылка ]
In this video, I tested a 12-volt, 4500mAh 4S lithium-ion battery pack to see how long it lasts under a 100-watt filament bulb load. The battery, made with cells of 3.7V each in series, was discharged from 100% to 0%. Watch the complete video to find out the exact backup time and the performance of this amazing battery pack!
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