● Working temperature: -20-60℃ ● External dimension: L72ΧW38ΧH28 mm ● Packing size: L105ΧW63ΧH40 mm ● Net weight: 40g ● Gross weight: 60g ● Rated voltage: DC12V ● Maximum charge current: 3A ● Maximum discharge current: 3A ● Over charge disconnect voltage: 14.4V ● Over discharge disconnect voltage: 10.5V ● Over discharge resuming voltage: 11.8V ● Light controll illumination: 10lux