Amazon.com: (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 : Health & Household
4Pcs Size AA Batteries ICR14500 3.7V 800mAh Rechargeable Li-ion for Microphone | eBay
Amazon.com: AAA Size 3.7V 350MAH ICR10440 Lithium Ion Rechargeable Battery (16pc Button top) : Health & Household
14500 - Size - Batteries
Source AA Size 14500 700mah 3.7v battery lithium ion battery for camera product on m.alibaba.com
Amazon.com: PKCELL ICR10440 Lithium Ion Rechargeable Battery 3.7V 350mAh with USB Charger (2pc Button top +Charger)(They are not AA Size Battery) : Health & Household