![Lithium Ion Polymer Battery - 3.7v 100mAh : ID 1570 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits Lithium Ion Polymer Battery - 3.7v 100mAh : ID 1570 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/1570-00.jpg)
Lithium Ion Polymer Battery - 3.7v 100mAh : ID 1570 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh : ID 4236 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh : ID 4236 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4236-04.jpg)
Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh : ID 4236 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: HXJNLDC DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Electronics Amazon.com: HXJNLDC DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Electronics](https://m.media-amazon.com/images/I/61SG+mKcg4S._AC_UF894,1000_QL80_.jpg)
Amazon.com: HXJNLDC DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Electronics
![Amazon.com: PKCELL ICR18500 Battery 3.7V 1400mah Li-Ion Rechargeable with Button Top 6PC(They are not AA Size Battery) : Health & Household Amazon.com: PKCELL ICR18500 Battery 3.7V 1400mah Li-Ion Rechargeable with Button Top 6PC(They are not AA Size Battery) : Health & Household](https://m.media-amazon.com/images/I/71ueRLFjaKL.jpg)
Amazon.com: PKCELL ICR18500 Battery 3.7V 1400mah Li-Ion Rechargeable with Button Top 6PC(They are not AA Size Battery) : Health & Household
![Lithium Ion Polymer Battery with Short Cable - 3.7V 350mAh : ID 4237 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits Lithium Ion Polymer Battery with Short Cable - 3.7V 350mAh : ID 4237 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4237-04.jpg)
Lithium Ion Polymer Battery with Short Cable - 3.7V 350mAh : ID 4237 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: 3.7V 522332 400mAh Lipo battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector : Health & Household Amazon.com: 3.7V 522332 400mAh Lipo battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector : Health & Household](https://m.media-amazon.com/images/I/51nL1+tbz6L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 3.7V 522332 400mAh Lipo battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector : Health & Household
![Amazon.com: Ecologic Mart Lithium Ion Batteries, 3.7 Volt Rechargeable Battery, 1200mAh LiPo Battery, Reading Book Light Battery Replacement, 103040 Type with Micro JST 1.25mm 2Pin Male Connector : Health & Household Amazon.com: Ecologic Mart Lithium Ion Batteries, 3.7 Volt Rechargeable Battery, 1200mAh LiPo Battery, Reading Book Light Battery Replacement, 103040 Type with Micro JST 1.25mm 2Pin Male Connector : Health & Household](https://m.media-amazon.com/images/I/41F89qqFgaL._AC_UF894,1000_QL80_.jpg)