Displays system status and provides controls and system programming for Magnum inverters

This temperature is for use with Magnum inverter/chargers in systems with Flooded or AGM battery banks.  These come standard with Magnum inverters are only purchased separately if lost or damaged.

The BMK works in conjunction with a Magnum inverter to give a remote display battery monitoring capability.

The BMK needs this wire harness to supply its power from the house battery bank.