18650

Translingual
An 18650 compared to a AA (LR6) battery

Etymology

18 +‎ 65 +‎ 0. Named for the nominal dimensions a fresh battery: 18 millimeter diameter by 65 millimeter length. The final 0 is common to the name of many cylindrical cell batteries.

Noun

18650

  1. A cylindrical rechargeable battery cell format for lithium-ion chemistry batteries, commonly used as component batteries in battery packs for some electronics and electric cars.

See also

English
Two 18650s compared to a CR123A lithium battery

Pronunciation

Pronounced as: eighteen six fifty.

Noun

18650 (plural 18650s)

  1. 18650 (electrochemical battery of a secondary storage cell)

See also
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