Charges 1 or 2 NP-F type batteriesWorks at home or in the car (includes AC cord and 12 V car cord) 2 charging levels. Low or High USB output port can also charge small devices Charges 1 NPF-770 battery in about 6 hours - Low | 4 hours - High Charges 2 NPF-770 batteries in about 11 hours - Low | 8 hours - High