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
Source GEB 23600 3.7V 2800mah li-ion Cylindrical cell Rechargeable Lithium ion Battery on m.alibaba.com
Amazon.com: Razor Battery for Schick F40 Wr5000 Wr7000 Wr9000 Welch Allyn 23600 Sanyo 9307 : Beauty & Personal Care
3.7V 400mah 500mah 13300 Cylindrical Lithium Ion Cell For E Cigarette