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-   -   Can NiMH Battery Be discharged? (https://airsoftcanada.com/showthread.php?t=63220)

Silent_Angel July 16th, 2008 19:44

Can NiMH Battery Be discharged?
 
I know its a strage question to be asked, but I just got my Intellect Battery, I charged it with no problem, took a few shots to test out my AEG, then Discharged it with the Guarder Discharger. Couple weeks after I try to charge it it doesn't respond. (I use the Systema Quatro Auto Charger).

Can someone help me out?

Thanks

mcguyver July 16th, 2008 19:46

Try to cycle it a few times, and see what happens.

Silent_Angel July 16th, 2008 19:51

what do you mean? sorry. Looks like it won't charge cuase usually when I plug it in, the loght starts blinking which indicate its charging, but With this one, it doesn't seem to respond. I've also check with my other batteries, they all seem to charge fine. So I was wondering if I over did it on the discharge.

Styrak July 16th, 2008 19:51

Discharging NiMH's is generally a bad idea.

Silent_Angel July 16th, 2008 19:53

Ah... crap, ok lessoned learned. So Is my Battery a Gonner?

mcguyver July 16th, 2008 19:56

Put a voltmeter on it and read the voltage. I've been able to recover a few NiCads that were dead, and an average charger wouldn't charge them. But it required an expensive charger that would cycle them automatically, and sometimes after a day and many cycles it would come back to life.

Naglfar July 16th, 2008 19:59

Just stick it on the charger for a cycle, put in your gun and test, repeat a few times.
If it doesn't work after doing that 2 or 3 times then it's probably shot.

Silent_Angel July 16th, 2008 20:02

Well looks like I' outa luck don't have a charger that can cycle

Silent_Angel July 16th, 2008 20:45

Well looks like I was able to use a regular wall charger and gave it a bit of life And put it back on the Auto charger and its charging properly now.

Crunchmeister July 16th, 2008 20:58

Yeah, you may have just damaged the battery significantly by discharging it totally. Unlike Ni-Cad, Ni-MH batteries are best kept fully charged. Never let it get totally drained as it can damage it. You may have been lucky and managed to ressurrect it for a while, but if I were you, I'd be shopping for a new battery nonetheless, because chances are, this one won't last now.

Silent_Angel July 16th, 2008 21:10

How much capacity do you think I lost?
Will it be so bad that every 5 mags its a gonner?

its 1600mah btw

mcguyver July 17th, 2008 00:20

Try it an find out. You may have only lost 10% of it's capacity, maybe nothing at all, or maybe 50%.

Styrak July 17th, 2008 10:34

Quote:

Originally Posted by Silent_Angel (Post 769158)
How much capacity do you think I lost?
Will it be so bad that every 5 mags its a gonner?

its 1600mah btw

With a good quality charger you'd be able to tell how much goes into the battery...


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