Watson Lithium-Ion Battery Pack (3.7V, 1800mAh) for HD B-1801
100% New Original NCR18650B 3.7 v 3400mah 18650 Lithium Rechargeable Battery For Flashlight batteries|rechargeable battery|battery forbattery rechargeable - AliExpress
Li-ion Battery 3.7V/2000mAh – Flat - Gamasonic USA
Lithium Ion Polymer Battery - 3.7V 500mAh | TinyCircuits.com
Amazon.com: DC 3.7V 3000mAh 103665 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Electronics
10440 Rechargeable Lithium-Ion Battery | UltraPoi
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 Ideal For Feathers - 3.7V 400mAh : ID 3898 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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
Internova 18650 Battery - Lithium Ion Rechargeable Batteries - 2600 mAh 3.7V- with Button Top - Intervine