Way to discharge laptop batteries
- Thread starter Cam2363
- Start date
Solution
- Apr 22, 2009
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It's defective. Needs replacement. I know of no safe way to discharge a battery that won't allow itself to be used. You could try wiring a 120V incandescence bulb across the battery terminals, but I doubt the trigger circuit in the battery will allow it to discharge. It isn't quite like a flashlight battery.
- Oct 28, 2015
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ok well would you know about any good batteries to repack the old battery, they dont need to be any good just good enough to not start a fire, my thread post on this topic is here http://www.tomshardware.com/answers/id-2957461/laptop-battery-repack.html
nukemaster
Titan
- Nov 23, 2004
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Lithium batteries have protection(either in the battery or the notebook) against deep discharge(as this is bad for the batter). They also have protection against over charge(something ni-cad and nhm did not have because they did not rupture when overcharged[it could still damage them]).
You do NOT want to deep discharge it.
You may have to set your laptop to allow the battery to drain to a low number like 5% or something, but for lithium-ion that IS dead.
You do NOT want to deep discharge it.
You may have to set your laptop to allow the battery to drain to a low number like 5% or something, but for lithium-ion that IS dead.
- Oct 28, 2015
- 39
- 0
- 4,530
Good idea but the laptop wont run on the batteries, it wont charge the batteries either, so i want a way to et it almost dead but not completely or to completely charge it but the laptop wont charge them at all so i need a way to do either of those without a laptop
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