The 26650 battery that came with my V-6 Catapult charges fine via the flashlight USB port….However, this battery will not charge in my Gryfalcon-44 , in fact , it reads 00v no matter what I do . Is this normal for this cell ? Is the Thrunite 26650 proprietary ? The Gryfalcon charges all other 26650 cells with no problems…
It charges in all my chargers.
I’ve had trouble with some of my 26650s—The wrapper on the + end prevents contact in the charger—-a little magnet solves this issue
Well yea… I have all 88. That charger only like 26650 flat top…
There is nothing wrong with your battery…
Yes, the Gryfalcon comes with a set of 4 metal contact extenders. Even using those I couldn’t even get a voltage reading. Strange !