Compact 12v 4s BMS designed to suit 3.2v LiFePO4 cells. Rated for a max continuous charge and discharge current of 120A, this BMS is a great choice for building a compact battery system where the power demand/supply doesn’t exceed 1500w. Common/Same port design takes out the hassle of needing separate negative circuits for charge/discharge. Comes with: 12v 120a 4S BMS CP suitable 5-Wire harness for balancing/monitoring M6 Bolts, washers, and nuts for easy installation.