The UltraPro USB Dual rapid charger connects via USB cable and charges one or two digital camera batteries in approximately 60-90 minutes. Its unique design allows for easy storage and makes it the most compact battery charger on the market. Features include: - Compact, lightweight design; - Smart charging LED indicator; - Automatically turns to trickle charge after fully charged; - Constant voltage and current charging; - Output short circuit and electronic shock protection; - Includes USB charging cable and additional Bonus Microfiber cleaning cloth.