New external backup power bank cases for Samsung galaxy S4

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Basic Info

Payment Type:	T/T

Product Description

Capacity: 3,300mAh

Cell type: Li-polymer

Input: 5V DC, 500mAh

Output: 5V DC, 500mAh

Talk time: up to 9 hours on 3G/up to 16 hours on 2G

Audio play: up to 45 hours

Finishing: rubber painting

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