Re: Amazing D cell discovery!
Ion or iron? - there are 3 different categories of lithium cells in common use.
Lithium ion cells (3.7v) are rechargeable, and used in laptops, phones, power tools, Tesla cars and Boeing 787s.
Lithium Manganese cells (3.3v) are commonly the button cells (eg CR2032) used in many low power electronic devices.
Lithium Iron cells Li/Fe (1.5v) are sold as alternatives to Alkaline cells in, amongst others, AA and AAA sizes. They can give much better run times than Alkalines at high currents (c/10 or more) but similar run times at low currents.
Stuart
Only the Lithium ion cells are rechargeable.
Stuart
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