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: 4 Pcs ICR 10440 Rechargeable Lithium Ion Battery,3.7v Batteries 350mAh (0.39 * 1.73 inch, Shorter Than AAA Size) : Health & Household
Lithium Ion Polymer Battery - 3.7v 2500mAh : ID 328 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: ICR17500 Battery 3.7V 1100mah A Size Lithium Rechargeable Batteries with Flat Top 2pcs(They are not 1865mm Size Battery) : Health & Household
ICR18500 Rechargeable Li-Ion Batteries 3.7V 1400mah with Flat Top for Flashlight,Solar Garden Light(
Lithium Ion Polymer Battery - 3.7v 500mAh : ID 1578 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits
16x AA Rechargeable Batteries ICR14500 3.7V 0.8Ah Li-ion Flat Top For LED Light | eBay
6PC AA ICR14500 800mAh 3.7V Rechargeable Lithium Batteries for Camera | eBay