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Showing 1 of 17 conversations about:
pccapso
9
Oct 25, 2018
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I don't see anywhere that says it is compatible with an 18650 but one amazon answer that says an 18650 would be too wide to fit. A shame as if it did take an 18650 i would be interested. Also the batteries it does include are not rechargeable.
jsolar
71
Oct 27, 2018
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pccapsoI was looking also. Your standard cr123 comes in at 16.5mm x 34mm.
So you would need to find a 16680 or a 16340. The 16340 is more commonly accessible but in doing so youd be at 6.4-8v for the two. While a fresh set of non rechargable cr123’s would be at 5 volts new for the two.
jsolar
71
Jan 28, 2019
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OrguyYep depending on how wide the interior space is the 18650’s would be two wide.
For rechargable lithium batteries in general that number breaks down to 18mm diameter and 65mm long. The 0 represents tube shape. So like i was talking about a cr123 is 16.5x34mm which the closest lithium size that would be an exact match is a 16340 in that its only half a mm thinner.
Being leds are easy on voltages id bet that it would operate fine on two 16340’s even though youd be pumping the extra 1.5-3volta extra through it. It would generate more heat than normal but idk if it would be that noticable.
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