Easy to use all purpose battery charger for AAA, AA, C, D & 9V rechargeable NiMH or NiCD batteries. Charging times: AAA size: capacity: 600-900mAh; Charging time: 1.5 - 3 hrs.; Charged by constant current at 400mA. AA size:capacity: 800 -2600mAh; Charging time: 1- 3 hrs. Charged by constant current at 850mA C size: capacity: 1200 -5500mAh; Charging time: 2 - 7 hrs. Charged by constant current at 850mA. D size:capacity: 1.2 -10 Ah; Charging time: 2- 14hrs. Charge by constant current at 850mA. 9V block size: capacity: 100mAh-250mAh; Charging time: 9-18 hrs. Charged by constant current at 16mA. Weight 2.2 lbs. CE and UL approved. Includes 120V AC adapter and 12V DC car cord. Will work with a 10 watt or 20 watt solar panel, order with female lighter adapter.