Amazon.com: HXJNLDC DC 3.7V 2100mAh 103450 Rechargeable Lithium ion Polymer Battery Replacement for PS4 Controller CUH-ZCT1 Series ,DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Electronics
Li-Polymer Battery 3.7V 6000mAh
50PCS PKCELL ICR14500 750mah 3.7v li ion batteries rechargeable battery AA lithium battery for LED flashlight (25pcs/2lots) _ - AliExpress Mobile
Lithium Polymer Battery 3.7V 30-10000mAh - polymer lithium battery,lithium ion polymer battery,polymer lithium ion battery,li poly battery
Lithium Ion Battery - 1Ah - PRT-13813 - SparkFun Electronics
High Rate Lithium Ion 18650 Battery Cell 3.7V Batteria Batteri Li Ion Rechargeable Battery Pack - China Battery Pack, 18650 Battery | Made-in-China.com
Source Li-ion ICR 18650 2000mAh 3.7V Battery Manufacturer on m.alibaba.com