MH-C800S : Intelligent Quick Charger for up to 8 AA & AAA batteries. Charges/conditions up to 8 cells INDIVIDUALLY. Each channel operates independently, so any qty of cells (1 thru 8), or capacity variance, or size mix can be accomodated. Charges in as little as 2 hours (soft charge can be selected for approx. 4-hr charge). Includes UL-listed wall power supply (100-240VAC input, 50-60Hz).