ryömiä työllisyys luento electronic components battery Yhteensopiva mobilisoida Vihreä tausta
Lifepo4 Battery BMS 1S 3.2V 12A Charging Board Short Circuit Protection PCM Self Recovery For Electric Motor/LED Light|Integrated Circuits| - AliExpress
4S series 14.8V lithium battery protection board 16.8V overcharge over discharge short circuit protection 20A current limit|Integrated Circuits| - AliExpress