Victron Energy VE.Bus BMS f/LiFePO4 Batteries 12-48VDC Works w/All VE.Bus One Size. Bus BMS protects each individual cell of a Victron lithium-iron-phosphate (LiFePO4 or LFP) battery. Each individual cell of a LiFePO4 battery must be protected against over-voltage under-voltage and over-temperature. Victron LiFePO4 batteries have integrated Balancing Temperature and Voltage control (acronym: BTV) and connect to the VE. Bus BMS with two M8 circular connector cord sets. The BTVs of several batteries can be daisy-chained. Please see our LiFePO4 battery documentation for details. The BMS will:Shut down or disconnect loads in case of the imminent cell under voltage. Reduce charge current in case of imminent cell overvoltage or over temperature (VE. Bus products only see below). Shut down or disconnect battery chargers in case of imminent cell overvoltage or over-temperature. Please contact your dealer for any returns repairs or support issues related to this product. Package Contents: Victron Energy VE.Bus BMS f/LiFePO4 Batteries 12-48VDC Works w/All VE.Bus Victron Energy BMS300200000: VE.Bus BMS f/LiFePO4 Batteries 12-48VDC Works w/All VE.Bus One Size