3.7 V 510 mAh Lithium Ion Polymer Li-ion Li-po Battery For DIY, Headphone, Other

510mAh battery 3.7v nominal Built-in protection circuit against over current, over charge, over discharge. Maximum recommended charge current: 500mA Maximum recommended discharge current: 500mA Roughly 45*30*4 mm. Wires are ~30 mm

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