4400 mAh universal portable power bank

1.Two 18650 lithium-ion batteries packed, 4400mAh

2.lazer engraved aluminium case, very portal and delicate, black/white colors designed

3.On/off button read also power consumption, very easy operation

4.90% power conversion

5.Auto-dormancy saves power when discharging finished

6.Double PCM protection from being overcharged&over-discharged

7.Widely applied to different electronic products, Mini USB/Micro USB/PSP/Nokia 2.0/Apple connectors

8.Input: Micro USB 5V/1A Output: USB2.0 5V/1A

9.Cycle life: ：≥500 times

10.Applications: charging for iPhone/iPad, Mobile, MP3/MP4, GPS, PSP, E-book, MID etc