Features: 1> Brand new and high quality 2> It can be recharged repeatedly 3> Built-in protection circuit PCM for prevent over charging or over discharging Specifications: 1> Rated Capacity: 4000mAh 2> Size: 10mm(H) x 50mm(W) x 68mm(L) 3> Operating Voltage: 3.7V 4> Charging voltage limit: 4.
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