Would love to hear everyone's opinions on rechargeable CR123As, 16650s and any others that members may use in lieu of these?
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As far as an 18650 is concerned, not in my experience. I have surefire, streamlight, and keep power ( modlight) brands and the only one that ever gone bad has been the surefire. I got a dud right out of the box, swapped for another dud, swapped for good one then had another fail somewhere along the line. I have streamlight batteries 3+ years old that work fine.I wonder if the Surefire rechargeable are any better than the others?
Depends what you are going for. Highest capacity won't have the highest load handling. I use Samsung 30Q'S in my lights that pull 15+ amps. There's a lot of good cells. Make sure you don't buy fakes. Mountain electronics sells authentic good batteries for a good price.I wonder if the Surefire rechargeable are any better than the others?
They should be real close. Your variemces you'll have are with flat top or button top, and protected 18650s are longer due to the added circuitry.Be aware that not all 18650s are the same. Some are a bit longer than others and certain brands or models of lights will only work with the longer ones. One of the biggest reasons I quit using my streamlight flashlight. The nitecore light I replaced it with will run both standard and long 18650s as well as cr123s.