Standard LiPo Battery LP502020 140mAh with 0.518Wh With PCM & wires 20mm Model Standard LiPo Battery LP502020 140mAh with 0.518Wh Capacity 140mAh Voltage 3.7V Energy 0.518Wh Net Weight 4 g Size 5.0mm* 20mm* 21mm Detail Protection circuit & 50mm wires Standard...

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