How to use a 4s 40A BMS Module to build Battery Packs?
LiFePO4 Prismatic Battery, Charger and BMS Package: 36V, Choose from: 40Ah, 60Ah, or 100Ah (w/ Can)- UN38.3 Passed (DGR)
Amazon.com: DALY 24V BMS li-ion 7S 60A with Balance Wire and Temperature Sensor for Rated 3.7V Lithium Battery Power Bank Short Circuit Protection : Electronics