Battery Power Control Unit, can charge the built-in 6t Lithium-Ion batteries via vehicle alternator (24/29 Vdc), this unit can be charged by standard 28 Vdc power supply or AC/DC converter and also can provide power from DC output.

This unit has DC input, alternator, DC output and maintenance connector inputs. There are 3 toggle switches on the front panel to activate the DC input, switch to dimming mode and activate the output, and a push button to learn the state of charge. In addition, there are input, alternator and output leds on the front panel of the device that shows the active power inputs and active output. If an error condition is detected, the error led lights up as a warning.