26650 li-ion battery holder (2P holder) For 26650 cylindrical lithium and lifepo4 battery Hole diameter is 26.3mm or 26.7mm. It is used for 26650 battery pack.
All customers, we have our own store and factory to sell and produce this kind of battery holder, if you need, you can also find it by this link.
https://annpower.aliexpress.com/store/623665?spm=2114.12010615.0.0.e30349f7QjROY
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