Polymer Li-ion Battery manufacturer / supplier in China, offering Manufacturer Supply 901738 3.7V 500mAh Lithium Polymer Battery Li-ion Batteries, 3.7V 380mAh 751535 751635 Lithium Polymer Ion Battery 2.0mm Jst Connector 751535-400, 3.7V Lipo Battery 500mAh 403048 Lithium Polymer Ion Battery Rechargeable Lithium Ion Polymer Battery with Jst Connector 402540/380 and so on.