I have a 14500 protected battery that refuses to power an atty. It reads 4.18 volts, but as soon as I put it on an atty, it drops to 0.0 volts then slowly builds back up. The charger won't turn red when I put it on, but it seems to be charging it anyway because the voltage comes back up when it's on it. From everything I've read, the protection circuit seems to be tripped. I've tried every method I could find on reseting the protection, but nothing seems to be working. Have any of you guys had the same problem? Do I need to just trash this battery and buy a better brand?
Ultrafire battery question
- Thread starter j21blackjack
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Battery is no good.
Trying to fix tripped batt is NOT a good idea. Once these batts are tripped, or the protection is comprimised, time to trash it and get a new battery..
Trying to fix tripped batt is NOT a good idea. Once these batts are tripped, or the protection is comprimised, time to trash it and get a new battery..
My brand new ones acted the same. after fiddling around with them for days, I took off the protection and use em in a 3.7v flashlight.
Toss the battery. I practice zero tolerance with Li-Ions. If it acts funny in any way I stop using it. These batteries are not to be trifled with.
i had a box mod that trashed my protected 14500's. was too tight a fit and prying it out repeatedly to charge it ruined it. the protection circuit was hosed according to an electrician friend, so i chucked them and have no plans to use anything with a 14500 again.
one thing about mods and battery clearances is, they can be a ..... to deal with.
one thing about mods and battery clearances is, they can be a ..... to deal with.
This is the first I have heard of this problem with 14500s. I have used two Bartlebies (3.7V box mods) for 6 months now without any issues to the batt at all, and they do fit tight in the box. When I remove the back to get the batt out, I gently pry it out with the corner of the back-piece. I have used the same 4 14500 batts with a charger for the whole time without any problems.
My guess is your box mod was too tight, which is possible. They are often tight. How you pry it out is important too. I would not use a screw driver, for instance. And I would certainly not discount all PVs that use the 14500, or the 14500 itself. That's like saying that the contacts in my TV remote are not good, so I am never using a device that uses AA batteries again. That would be a bit over-reacting, and there are very good reasons why 14500 batt mods are so popular.
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