Ofeely 3.7V 2000mah 405085 Lithium Polymer Li-Po Rechargeable Battery For Mp3 MP4 GPS PSP DVD mobile power Video game PAD E-books Go to amazon.com Related posts How to find the best 2000mah 3.7v battery for 2022? FeatureBuilt-in protection circuit PCM for prevent over charging or over dischargingSize: 4mm (H)*50mm (W)*85mm (L)Rating: DC3.7V 2000mAh DescriptionPackage include:1pc 3.7v 2000mAh 405085 lithium battery.