Battery capacity: 7AH Solar panel power: 12W Rate charging current: 0.7A Rate discharging current: 5A Rate working voltage: 12V Solar panel voltage: 16122V Float charging voltage : 13.5-13.8V Low voltage disconnecting point: 10V Low voltage reconnecting point: 11.5V No load loss: 1618MA USB port current: 161500MA Working temperature: -10161;230;-50161;230 Storage temperature: -15161;230;-40161;230 Humidity requirement: 16190% no condensation System working time: 2 pcs 3Wled light working for 6hours charging mobile for 7 hours.