JKBMS BD4A20S4P Active Balance Battery Management System (BMS) 7S-20S, 40A, 0.4A, Bluetooth RS485 Recommended product this portable powerhouse ensures you

this portable powerhouse ensures you stay connected

and protection functions are summarized for fast compatibility checks

Continuous 60A

Simply mount the solar panel on a sunlit surface and place the fans where needed

4V Li-Polymer packs and the specified plug type before use

JKBMS BD4A20S4P Active Balance Battery Management System (BMS) 7S-20S, 40A, 0.4A, Bluetooth RS485 Recommended product this portable powerhouse ensures youOverview JKBMS BD4A20S4P is an active balance Battery Management System (BMS) for Li ion, LiFePO4, and LTO battery packs. It supports 7S to 20S battery strings (chemistry dependent) with 0. 4A active balancing and 40A continuous charge discharge current, and includes built in Bluetooth for Android iOS monitoring. Key Features Supported battery strings: 7S to 20S (Li ion), 8S to 20S (LiFePO4), 12S to 20S (LTO) Active balance method: Active Balance