Type 18490 battery, 18500 (1600mAh, Li ion) 2 pieces|Storage Batteries| - AliExpress
High power 18490 / 18500 1100mah 3.7V 3.6V 4.1WH rechargeable chargeable li ion Lithium ion batteries for power source|lithium ion battery|battery forbattery battery battery - AliExpress