Polymer Li-ion Battery manufacturer / supplier in China, offering 3.7V Lipo Battery 500935-130 500mAh 403048 Lithium Polymer Ion Battery Rechargeable Lithium Ion Polymer Battery with Jst Connector, 500821-65 502030 052030 3.7V 500 mAh Lithium-Ion Polymer Battery Quality Goods of CE FCC RoHS Certification Authority, 500815-47 mAh 501015 3.7V 50mAh Rechargeable Lithium Polymer Battery for MP4 Bluetooth Earphone Video Pen GPS Walkie Talkie Smart Watch 501115 and so on.