Model CMB-10 : Suitable for 10 batteries of 12v automotive and Model CMB-06 : Suitable for 6 batteries of 12v motorcycle Current control to set constant charging current from 200ml Amp-2 Amp for Motorcycle and 1 Amp-10 Amp for Automative Batteries Advanced PWM switch mode (SMPS) technology to provide constant current charging over wide mains voltage variation of 170-270v Selection switch for Automotive and Motorcycle batteries Short circuit and reverse protection