Electronic Smart Charger 12 volt to 12 volt 30 amp Bx 1

12VDC to 12VDC 30A split charger. Designed to charge and maintain a 12V battery from a 12VDC system. It has a three stage micro processor controlled charging system and uses voltage sensing for automatic cut in and drop out of charge from the 12V system, so will not charge the 12V battery until the 12V batteries are charged or being charged. Designed to work with stop-start technology complying with Euro 6.