Magnum Energy Battery Monitor Kit With Shunt ME-BMK ME-BMK Battery Monitor Kit with Shunt The ME-BMK Battery Monitor Kit from Magnum Energy gives you a "fuel gauge" type of meter for your battery bank 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 Includes the sense module sense and communication cables and a 500 amp shunt