Amazon.com: KBT 3.7V 800mAh Li-Polymer Battery: 702250 Lipo Rechargeable Lithium-ion Replacement Batteries with JST Connector : Health & Household
Buy Wholesale China New Style 3.7v Ultra Thin Lipo Battery Lithium Polymer Battery 644890 3500mah & Lithium Polymer Battery Cell at USD 2.52 | Global Sources
Rechargeable Ultrathin Li Poly Battery 0.1-2.9mm thickness
Buy Wholesale China Slim Lithium Polymer Battery Pack, 3.7v, 720mah For Tablet Pc, Small Portable Devices & Tablet Pc Polymer Battery at USD 1.3 | Global Sources