Multimeter Rechargeable Battery Mod w/ TP4056

[@chicagohandyman]

PolyMaker makes the best 3D printer filament - us.polymaker.com?aff=964

[@cetocoquinto4704]

I have done the same..problem with that brand called Aneng here in SE Asia the battery sucks...now all my testers like cellphones 😂

[@chicagohandyman]

Doing this mod makes a HUGE improvement!!