Associated Equipment 12V Parallel Multi-Battery Charger with a 30-amp (14.9V) DC output charges 1 to 10 batteries, in parallel, in less than 24 hours. This UL-listed charger features circuit breaker protection and 16 rates of charge for precise charging, and this unit includes a patented multi-diode rectifier (with deep reserve capacity) and an isolated transformer for safety. This made-in-the-USA product can be mounted on a wall or bench and should be used with a model 6075 bus bar that includes 10 pairs of charging leads. This model charger also features a 108-132V AC input (7.5A, 60Hz) and comes with a voltmeter (11-17V), ammeter (0-50A), 6.5' AC power cord, and 6' DC leads, measuring 16" H x 19" W x 16" D overall. A 1-year "parts and labor" warranty is included for all components.