Amazon.com: funkawa (2- Pack) CR-AA, AA Li-ion 3.7V Rechargeable Batteries Button top with USB Charger, Good for Flashlight Lumintop Tool AA 2.0, Klarus Mi7 : Electronics
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
PKCELL Flat Top 18650 3.7V 3000mAh Rechargeable Li-Ion Battery
3.7V Rechargeable Lithium ion Battery LP18650A+ 3500mAh With PCM and JST XHP-2 Connector
4-Pack of ICR 18650 Blue Lithium-Ion Rechargeable Batteries - 3.7V 2600mAh | xUmp