pinoy tech DIY

Lifepo4 battery update [after 2 years]

D.I.Y. SOLAR POWERBANK | SOLAR POWERGEN

part #1 portable power generator battery assembly and bms instalation . #lifepo4 battery

soldering iron unboxing+ diy solar powerbank.

bakit kailangan mo gumamit ng bypass diode

DIY Wide Range Voltage Lab Bench power supply

Pinoy DIY Lifepo4 battery