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-   -   BATTERY PACK (https://www.rcuniverse.com/forum/beginners-85/8079178-battery-pack.html)

suzonka 10-23-2008 08:57 PM
BATTERY PACK
 
I have San yo 600AE cells 9 pack to charge and on the battery it says to charge at 50 milliamps for 14 hours with a wall charger, Well what happens when I use my peak charger at 1.2 amps and it charges them in 20 minutes?

Jetdesign 10-23-2008 09:08 PM
RE: BATTERY PACK
 
First charge should be really slow to let the battery suck in all the energy it can. After that, peaking your packs at capacity (a one hour charge) is the safest route. In a pinch, you can charge faster but the heat generated in a fast charge is bad for the pack and will shorten it's life span. If you can, charging at c/10 (a ten hour charge) is ideal for the battery pack once the initial charge has been done.

Missileman 10-24-2008 05:36 AM
RE: BATTERY PACK
 
As said you want the first charge to be slow, as recommended by the manufacturer. This is known as a forming charge.
Failure to do this can result in diminished capacity.
After the first charge you can charge faster but I would NEVER charge a pack in 20 minutes. Your batteries will not last long doing that.
I don't recommend charging at faster than 1C or .6amps for your pack but personally I always slow charge my packs overnight.

suzonka 10-24-2008 08:31 AM
RE: BATTERY PACK
 

ORIGINAL: Missileman

As said you want the first charge to be slow, as recommended by the manufacturer. This is known as a forming charge.
Failure to do this can result in diminished capacity.
After the first charge you can charge faster but I would NEVER charge a pack in 20 minutes. Your batteries will not last long doing that.
I don't recommend charging at faster than 1C or .6amps for your pack but personally I always slow charge my packs overnight.
well my peak charger is set for 500 milliamps so that should be safe

bruce88123 10-24-2008 08:41 AM
RE: BATTERY PACK
 

ORIGINAL: suzonka


ORIGINAL: Missileman

As said you want the first charge to be slow, as recommended by the manufacturer. This is known as a forming charge.
Failure to do this can result in diminished capacity.
After the first charge you can charge faster but I would NEVER charge a pack in 20 minutes. Your batteries will not last long doing that.
I don't recommend charging at faster than 1C or .6amps for your pack but personally I always slow charge my packs overnight.
well my peak charger is set for 500 milliamps so that should be safe
Still, if you have the time, charge at an even lower rate. Your batteries will appreciate it.

suzonka 10-24-2008 09:38 AM
RE: BATTERY PACK
 

ORIGINAL: bruce88123


ORIGINAL: suzonka


ORIGINAL: Missileman

As said you want the first charge to be slow, as recommended by the manufacturer. This is known as a forming charge.
Failure to do this can result in diminished capacity.
After the first charge you can charge faster but I would NEVER charge a pack in 20 minutes. Your batteries will not last long doing that.
I don't recommend charging at faster than 1C or .6amps for your pack but personally I always slow charge my packs overnight.
well my peak charger is set for 500 milliamps so that should be safe
Still, if you have the time, charge at an even lower rate. Your batteries will appreciate it.
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Well the oly wal wart I have thats low in MA is my radio charger 50 MA but thats for 8 cells, I have a 12 volt 100 MA wall wart that may be better. it can do 10 cells.


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