MH-CD42 is lithium battery charger 2.1A and discharger(3.5A) unit with battery level indicator LEDs, ON/OFF switch and
ETA3000 Active Balancer for Lithium Batteries
This video is explaining the Active Battery Balancer based on ETA3000 chip. https://www.youtube.com/watch?v=0yo4lzxENrk Download ETA300 Datasheet balancer_datasheet_4S_balancerDownload Purchase this module from Affiliated Store Purchase this Active Sell Balancer from Affiliated...