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What is the difference between Lithium Batteries and Li-Ion Batteries?

Aug. 09, 2017

The difference is in the chemistry.

18650 batteries

Lithium battery is a disposable power source composed of lithium metal compounds - the key word, here, being disposable; Lithium batteries can not be recharged.

Li-ion batteries, on the other hand, are intercalated, meaning the lithium ion inside the battery moves between two internal electrodes. This movement, or reversibility of the lithium ion accounts for the battery's rechargeability.

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