VA2037 BlackRIVACASE VA2037 portable rechargeable batteryProduct Features:• 10000mAh capacity rechargeable battery.• Compatible with all popular models of smartphones, tablets and other mobile devices.• Protection for over-charging, power leaks, overload and short circuit.• Automatic turn on/off. Just plug your device into RIVACASE battery output socket and the charging will start.• To check the battery status,press button. 4 LED indicators will show the remaining power.• Smartphone charging - up to 4 times. Tablet charging - up to 2 times.Specification:Li- Polymer battery: 3.7V 10000mAh 37Wh1. Input DC: Micro USB 5.0V 2.1A2. Output DC: USB 5.0V 2.1A & 1A (Total 2.4A)SIZE 138x68x16 mmWeight: 230g.