ECE112 Current Charge and Voltage Problems Note: The assumption is that the appliance or device operates until the last coulomb is used. 1. A camcorder battery is rated at 6V with 1 Ah (Amp Hour) capacity. a)How many coulombs of charge are stored in the battery when fully charged? b)The camcorder consumes 500mA of current from the battery. How long will it run assuming the battery is initially at full charge? Ans: 3600C, 2hr