3.7V Rechargeable Lithium ion Battery LP18650A+ 3500mAh With PCM and JST XHP-2 Connector
Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh : ID 3898 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: EEMB 3.7V 2000mAh 103454 Lipo Battery Lithium ion Polymer Battery Rechargeable Lithium Polymer ion Battery with JST Connector Make Sure Device Polarity Matches with Battery Before Purchase!!! : Health & Household