Lithium Ion Polymer Battery - 3.7v 2500mAh : ID 328 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Lipo Battery 200mah, 3.7V 501240 - RobotShop
Polymer Lithium Ion Battery LiPo 1000mAh 3.7V 603450 JST 3 Pin Connector, SYDNEY | eBay
Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh : ID 4236 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: EEMB 3.7V Lipo Battery 340mAh 542730 Lithium Polymer ion Battery Rechargeable Lithium ion Polymer Battery with JST Connector Make Sure Device Polarity Matches with Battery Before Purchase!!! : Health & Household