3.7V 1200mAh/4.44Wh Li-ion Mobile/SmartPhone Battery for Samsung
Amazon.com: Keeppower IMR18350 High Drain Li-ion Battery Flat Top Rechargeable 1200mAh 10A Discharge 3.7V Lithium Battery (Pack of 2) : Health & Household
JST PH 1.0mm 3 pin Liter energy battery 3.7V,1200mAH 103040 Polymer lithium ion / Li ion battery for tablet pc BANK,GPS,mp3,mp4|Digital Batteries| - AliExpress