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Old 03-30-2011, 03:52 AM #1
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Default Standard size for 18650

I recently compared the sizes of the red 18650 batts with an AW 18650 and noticed that the AW is a tiny fraction of an inch (~1/8") longer than the noname red 18650's that I've gotten from folks on this forum. The only experience I have with these is with some LED flashlights I own (my gateway drug to lasers), so can someone clarify what's up with this? are the AW's non-standard or are the reds or is there no standard?


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Old 03-30-2011, 03:53 AM #2
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Default Re: Standard size for 18650

The AWs are protected batteries, and the circuit board adds a bit to the overall length.
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Old 03-31-2011, 03:57 PM #3
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Default Re: Standard size for 18650

Bradpr;

A #18650 cell is by definition, 18mm in diameter x 65 mm long.

Some cells have added a chinese circuit board to the original cell,

increasing the length or width.

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