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Author Topic: Batteries and Charger  (Read 2820 times)

Brybo

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Batteries and Charger
« on: June 26, 2005, 02:53:13 AM »

HERE is the charger manual.

I was given THIS charger a few weeks ago and today I bought some Energizer
Rechargeable 2500mAh NiMH batteries.

Can anyone tell me if this charger could possibly charge these batteries?
I'm thinking it will, but take a long time.  I'm wondering because I don't
know if I should take these back and get a charger + batteries deal or
just keep these and find a cheap charger, or just use this charger.
 :-?
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Shiz

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Batteries and Charger
« Reply #1 on: June 26, 2005, 03:22:32 AM »

link to batterys?
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Firespark

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Batteries and Charger
« Reply #2 on: June 26, 2005, 09:37:45 AM »

Come on shiz, its not rocket science. Brybo, since it says it will charge both nimh and nicd, it means it will charge ANY nimh or nicd period. those batteries could be 13241231324123 mah, it would just take a lot longer to charge them. Keep in mind though that while that charger will do it, its mean charge time for a 1800 mah nimh is 4 hours, so you're not looking at a quick charge. For the $20 you're probably better off just getting an actual energizer 15 minute nimh charger, designed to charge high capacity batteries fast. But yah, it will charge them.

Oh edit: You probably won't find that 15 minuter above without batteries in the package, but don't worry, it will also charge any and all nimh batteries, so the ones you have now will still work with it.
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YucA

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Batteries and Charger
« Reply #3 on: June 26, 2005, 09:46:53 AM »

what Firespark said is totally right, BUT...

I would personally keep that charger and let it charge the batteries fully.  15min quick chargers are very nice to have handy, but they destroy NiMH cells.  If you fast charge them, they will only heat up and only the outermost cells in the battery will hold charge.  This basically means that the batteries will run down much faster, but they will have a nice initial punch (great to use with womething that draws alot of Amps).  This is why electric RC cars fast peak charge their packs...  NiMH cells are rather sensitive, so fast charging basically kills them twice as fast as slower or trickle charging...
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Shiz

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Batteries and Charger
« Reply #4 on: June 26, 2005, 02:02:49 PM »

well u act like i dont know about batteries... i just wanted to make sure that he wasnt using some type of battery that was ment for an r/c or something. this would leave me to wonder why he is asking the quetion. Perhaps it is the charge time, but i wouldnt have known that... yeah they will charge, but not fully. that is if all it can charge up to is 1850 mah. You arent getting the full potential of your cells, now i am biased against xmods stuff, and i dont like it...at all. What YucA said about destroying the cells is true, i can vouch for that one. Friends+new batteries+5 charges at full=Dead cells.
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Firespark

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« Reply #5 on: June 26, 2005, 02:47:30 PM »

it can charge past 1850, you misread. Anything can, its just a matter of time. it takes 4 hours for 1850s. that only means it will take a whole hell of a lot longer for 2500s
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Shiz

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« Reply #6 on: June 26, 2005, 04:56:22 PM »

whoops. some chargers cant charge past a certain mah and i saw 1850.. I still hold position that you are better off with a different charger.
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Brybo

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Batteries and Charger
« Reply #7 on: June 26, 2005, 05:12:16 PM »

The charger manual says that the Max. Timing Protection is 283 minutes
which is 4h 43m.  Does that mean, that's the longest time it will only
charge?  Will it stop normal charge and start trickling at the 283min.
mark?

I just don't want to ruin these batteries because I haven't even opened
them yet.

I do have another charger, kind of old though.  Let me see if I can find out
any info about it.  I'll post back when I do.
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Firespark

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« Reply #8 on: June 26, 2005, 05:16:56 PM »

no, i think that means shiz is about right, and it may only charge to like 1950 mah. get a different charger.
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Brybo

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Batteries and Charger
« Reply #9 on: June 26, 2005, 05:23:34 PM »

OK, I found some info about this old charger I have and it only charges
NiCD batteries, so I guess i'm better off just trying to find a charger that
will charge these.

I just remembered something!  When I went to Target yesterday to
purchase these batteries, they had a charger with batteries included.
The package said it came with 4xAA 2500mAh batteries like the batteries
I just bought.  BUT, I looked closely at the package on the batteries
themselves and they all said 2050mAh!  Could that be some kind of typo?
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