Specifications: Battery type Li-ion Capacity 4000mAh In Put 500mAh~1000mAh, 5.0V Out Put 1000mAh, 5.2V Support Most of the phone and the mobile devices Storage Temperature -20℃ ~ +65℃ Material Non-flammable ABS+PC Certificate CE RoHs UN38.3 Color Black, Red, Silver, Blue Accessory USB Cable , connector and Manual