Power bank or battery case for phone 4G with protection case in 1900mAh battery capacity

- Power bank battery case with 1900mAh battery
- Suitable for phone 4G size
- Suitable to phone 4G
- Charge current:1000mAh
- Power bank or battery case with built-in powerful and safe Li-Polymer rechargeable battery to charger phone 4G anytime as needed
- Support: Phone 4G.
- Talk time: Up to 7.5hours.
- Video playback: up to 8 hours
- Audio playback: up to 23 hours
- Standby time: up to 400 hours
- Input voltage: 5V
- Charge current: 100mA
- Output voltage: 5V
- Output current: 700mA
- Battery capacity: 1900mAh
- Power consumption: 5V/2.5W.
- Working temperature: -15 – 55 C