eBay 9 MILLION mAh power bank teardown (with schematic)
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Ultra small solar power bank with retro circuitry (with schematic)
19:15
Inside a common eBay fast-charge 5000mAh power bank.
21:37
Charging NiMH cells - smart vs dumb chargers
19:07
Disaster of a product - so many things wrong
23:11
Simple NiMH battery charger (with PCB files)
24:23
I bought FAKE Tech from AliExpress
14:15
I 3D Printed Your Bad Pokemon Video Ideas
20:56