Are they the USB rechargeable ones?
That sucks. I have a pair of 18650s from streamlight that have built in USB charging ports, no problems so far.
This this does remind me that I also bought a pair of microstream USB lights & one of them shipped with a DOA battery. One email and they shipped a replacement no problem.
Edit, I forgot to say you can buy a twin pack of the USB rechargeable 18650 batteries for around $20 if you do a little searching.
Well, isnt it like micro usb? Anyway it died fast with no warning, didnt fade or anything. Its not really a streamlight problem, I have many of them.
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