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 Battery Pack – 3.7V 6600mAh
Amazon.com: Amityke 3.7 Volt Rechargeable Battery 3500mAh Battery 2Pack Large Capacity Batteries for Headlamp, LED Flashlight, etc : Health & Household
WONDOM Lithium Polymer 503040 Flat Battery 3.7V 600mAh 5 x 30 x 42mm with Plug