With integrated cell balancing Can be parallel and series connected Bluetooth app available to monitor cell voltage and temperature Requires one of these BMS-es:VE. Bus BMS / VE.Bus BMS V2 – recommended for systems with our inverter/chargers. smallBMS – recommended for use in small systems. Smart BMS 12/200 - recommended for use in Automotive and Marine systems having DC-loads and Alternators. Smart BMS CL 12/100 – recommended for use in Automotive and Marine systems having DC-loads and Alternators. Lynx Smart BMS - recommended for use in large systems. For details, see down below in the Related products section.