Amazon.com: AKZYTUE 3.7V 700mAh 603035 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector : Health & Household
Lithium Ion Polymer Battery - 3.7v 100mAh : ID 1570 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: YDL 3.7V 2000mAh 103745 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector : Health & Household
3.7V 3000mAh Polymer Lithium LiPo Rechargeable Battery Cells 922990 For MP3 GPS DVD Tablet PC table lamp power bank Laptop MID|Replacement Batteries| - AliExpress
Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh : ID 3898 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits