$50 APC hack 24V using Lawn tractor batteries
28:42
Repair your APC Battery Backup....The Wrong Way?
10:13
Triplica la Capacidad de tu UPS con esta Conversion.
13:21
UPS Hacking for offgrid DVR survalance system
23:58
EL TIMO DE LAS BATERÍAS DE SERVICIO DE LITIO (12V): AVERÍAS y DESPISTES A 2000€ EL RECAMBIO (y más)
8:45
SUPER UPS Battery Hack- Mikes Inventions
14:46
Never buy New Batteries! Just use this Trick and Old Batteries can be Reused
29:30
PARTE 2 4K
11:28