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Are replacement batteries available for purchase through HexBright?

Where can I get replacement batteries? Thx

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It wouldn't surprise me if the HexBright-branded batteries would be available for sale here eventually, but if you're looking to shop for batteries right now (say you want to have a spare just in case), you can get the recommended battery type at several stores and online just about anywhere.

The type of battery you should be looking for is called a 'protected 18650' - that's an 18650 battery with a small protection circuit included in the battery casing that prevents overcharging and the like.

( note: it's a Li-Ion type battery - not a LiFePO! )

If you will be shopping around, please keep in mind that certain sellers - e.g. at auction sites - will try to sell you batteries that might be labeled "4000mAh" but really have a capacity of, say, 1800mAh. Right now a reasonable capacity for a decent price is at about 2800mAh. There are higher capacity one from reputable sources but you tend to have to pay disproportionally extra.

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i found another forum talking about this very issue. it's a flashlight forum

largest capacity protected 18650 battery

more research led me to find out that not all 18650 batteries are the same. i found a good page with all the differences in size. i couldn't find an official document on the batteries specs. make sure to measure the battery before you buy a replacement.

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Physical measurement: The battery is 67.5 mm long, plus a button on top (coming to 68.75 mm long), and 18.4 mm in diameter. The carrier is 19.1 mm wide. The shim takes up another 3.5 mm on the end. Shorter batteries would not fit without adding to (or bending) the contact, while longer batteries (up to 2 mm? beyond this length) would not require any shim. Any longer than that and the negative contact could touch the end.


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Philip Beck will be eternally grateful.
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