You can charge this external battery via the USB cable; or just simply make use of the solar energy since it has the solar single crystalline silicon board, much economical, environmental and convenient. Then you can power your iPhone anytime anywhere with this external battery case.
Specifications:
Model: solar energy battery pack for iPhone4/4S
Capacity: 1700mAh
Input: 5.0~5.5V/500~1000mAh
Output: 5.0V, 500mAh
Solar single crystalline silicon board working voltage: 5.5V
Solar single crystalline silicon board charging current: 260mAh
Solar single crystalline silicon transfer efficiency: 17%
Size: 128 x 61 x 20mm
Weight: 106g
Kindly Reminder: please read the user manual carefully before using
Package size: 161 x 94 x 29mm
Package contains:
1 x Battery Case
1 x USB Cable
1 x Cleaning Cloth
1 x English-Chinese-Japanese User Manual
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