3.7V 1800mAh LiPo polymer rechargeable Battery 123048 For DVD GPS PAD CAMERA PSP | eBay
Li-ion battery 1800mAh
Amazon.com: 3.7V 1800mAh 804050 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with PH2.0mm JST Connector(Actual is 2000mAh.) : Health & Household
3.7v 1800mah 18650 Lithium Battery With Protective Board Loudspeaker, Old Man, And Other Digital Products Rechargeable Li-ion Ce - Digital Batteries - AliExpress