Amazon.com: Rechargeable 3.7V Li Lipo Lithium Polymer Ion Battery Pack with 2 Pin 2.0mm/1.25mm JST Connector (502035 300mAh 2.0Jst) : Health & Household
Lithium Ion Battery - 1Ah - PRT-13813 - SparkFun Electronics
Lithium Ion Polymer Battery - 3.7V 1500mAh
Lithium Ion Battery - 110mAh - PRT-13853 - SparkFun Electronics
Lithium Ion Polymer Battery - 3.7V 350mAh : ID 2750 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: 3.7V 900mAh 743040 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with JST Connector : Health & Household
Amazon.com: EEMB 3.7V Lipo Battery 300mAh 602030 Lithium Polymer ion Battery Rechargeable Lithium ion Polymer Battery with JST Connector Make Sure Device Polarity Matches with Battery Before Purchase!!! : Health & Household
Lithium Ion Polymer Battery - 3.7v 500mAh : ID 1578 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits