The battery monitor from Magnum Energy gives you a Fuel gauge type of meter for your battery bank. It monitors the battery bank and reports the percentage state of charge, real time amps, voltage, amp hours in/out, and the minimum/maximum DC-volts. The battery monitor kit includes the sense module, sense and communication cables and a 500-amp shunt. *Requires Magnum Inverter (with Network port) and ME-RC remote rev 2.0 or higher.