Source GEB 23600 3.7V 2800mAh Battery Lithium cylindrical battery Rechargeable Lithium ion Battery on m.alibaba.com
China 16450 980mAh Cylinder Lithium Polymer Battery Manufacturers, Suppliers and Factory
Just got this battery for a friend, it looks like the LiPO construction, but it's hard and everywhere it says it's an Li ION, so what is it? : r/AskElectronics
Welch Allyn 72900 Battery Anybattery 5606
Source GEB 23600 3.7V 2800mah li-ion Cylindrical cell Rechargeable Lithium ion Battery on m.alibaba.com