charging case/power pack/power case for Iphone 4s/4g 1) 2000mah 2) power bank 3) many colors

External Battery/Power case/Power bank  for Iphone 4g/4s

1) 2000mah

2) case+ power, black, blue, white, green , purple

3) good quality

4).Guarantee:12 monthes

5) Fast delivery: 1-2 working days

6) Online over 10 hours per day; Always be patient to all of our customers

7) Our service including: answer the inquiry in time, quote the good price quickly, open the PI  for you checking until you confirm, arrange and send the goods on time, send the packing list with tracking number by email after delivery; trace the goods when it is on the way; ask  the feedback after you got the goods; keep all the information as the record for you, etc.

Specification:

cell type:Li-polymer

battery Capacity:2000mah

Input:5v 500mah

Output:5v 500mah

standy time:380h

Chargering time:4.5h

cycle time:500 times

Operating temperature:-10°C~-40°C

Storage temperature:-20°C~-50°C

Charging case/power bank/power case for iphone 4s/4