ECE112 Current Charge and Voltage Problems Note: The assumption is that the appliance or device operates until the last coulomb is used. 8. A 5 volt camcorder battery now holds 20% fewer electrons than it did two years ago. Today, with a fully charged battery, a user can get 30 minutes of operation before the battery is dead. What was the original AH rating of the battery? The camcorder consumes 1A when operating. Ans: 0.625AH