The Battery Monitor (BM2) is AMPS’ high precision power management device, intended for use in the DC negative of your power system. When installed correctly, the device will accurately measure charge, discharge and battery capacity accurately at any given time. The BM2, as a modern battery solution, is suitable for all battery types (Lead acid, Calcium, Lithium etc.) and is able to be read both from a live Bluetooth feed as well as from the remote connected to the unit.