100 PERCENT MPU101BK Power Station for Phones & Tablets, Total Output 6.8A, Fast Charging Smart Station - each USB port puts out the exact amperage your devices need for maximum performance and rapid charging. Security - short circuit protection guards your electronics against kickbacks from power dips and blackouts. Protection - the Smart Station cuts the charge once your Device reaches full battery mode. Room for four - plug up to four USB-powered devices into the Smart charger. Technical specs - total output: 6.8A, total input: 100-240w 50Hz/60Hz, power outlet: 34W.