Feature:
- Good capacity 20000mAh external backup battery for your Samsung S4 S3 Note2 iPhone 4G,4GS, 5G ,iPod, iPad , MP3, MP4, the new Pad and mobile phones.
- Built-in 20000mAh good capacity rechargeable Li-Polymer battery .
- 20000mAh capability, powerful with long operation time.
- USB output, more convenient.
- good efficiency of power conversion.
- Electricity-saving function.
- With 4 LED power indicator.
- Partable, practical and long cycle life.
- Safe and reliable, perfect for using on travelling and outdoor activities.
Specifications:
- Capacity: 20000mAh
- Input: DC4.8-5.4V 1A (max)
- Output: 5V-1A / 5V-2.1A
- 2 USB output, charge 2 devices simultaneously
- IC Protection for charging / overcharge / short circuit / discharge
- Circle Time: more than 500 Times
- Product size: 135mm X72mm X 22mm
- Weight: 300g