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What are you typing into amazon to only find AA? If I type "18650" into amazon I get multiple options for manufacturer, chemistry, and capacity.

As well, there are a handful of websites that specialize in selling battery cells, do a web search for "18650 for sale"

26650 cells have higher capacity and max current numbers than 18650s on average but your 18650 charger likely won't have prongs long enough to reach the pads.

If they were long enough, it would charge just fine.



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