case with Backup battery cover for iphone 4

External battery for iPhone 4G 1)protective and powerful. 2)Talk time: up to 8 hours. 3)Standby time :up to 380 hours.

Specifications :

1.Capacity: 1900mAh.

2.Cell type:Li Polymer battery Lithium-ion.

3.Dimension:12.5×64×18(mm).

4.Output voltage:5V.

5.Output current:700 Ma max.

6.Cycle life: 500times.

Function& character:

1.power check& indication.

2.power switch.

3.protective and powerful.

Signature:

1.Standby time – up to 380 hours.

2.Talk time – up to 8 hours.

3.Internet use – up to 6.5 hours on 3G | Up to 7 hours on Wi-Fi.

4.Audio playback – up to 35 hours.

5.Video playback – up to 10 hours.

6.Weight: 132.4.

Packing

Color box

100pcs/ctn

G.W.:14.24kg

CTN size:36*36*36cm

  

Warning1. Do not place battery in fire or other excessively hot environments. 2. Be cautious of excessive drops, bumps, abrasions or other impacts to this battery.. 3. Do not disassemble this battery or attempt to repair or modify it in any manner. 4. All batteries have gone through thorough quality assurance inspection. If you find that your battery is excessively hot, deformed, abraded, cut, emitting odor, experiencing or demonstrating an abnormal phenomenon, immediately stop all battery use and contact manufacturer.

case with Backup battery cover for iphone 4