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Help me charge this battery....

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Help me charge this battery....

Old 05-08-2007, 01:23 PM
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420Speedster
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Default Help me charge this battery....

I have a digital peak charger (piranha) and I bought a nimh 3300mah pro match battery. I have the charger set to nimh, 3300mah, 4.0A (is this right? goes to 5A in the settings but for some reason still only charges at a max 3A)
Also not sure what mv/c to charge at. It says Peak and then it goes from 3-20mv/c. Please help.
Old 05-08-2007, 03:13 PM
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Default RE: Help me charge this battery....

Use 5 mv, it is the voltage drop per cell that it uses to know when to stop chargeing (the batt is full when voltage drops 30 mv)

The charger will only go 3 amps on ac, but will go 5 amps on dc power.
Old 05-08-2007, 03:31 PM
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Default RE: Help me charge this battery....

Hey thanks, I charged it the first time on 6mv/c it didnt even get warm. This time I went 10mv/c and the battery got really hot half way through the charge and the charger got hot and started to smell so I cut it off and the battery is now cooling. Is it ok to take a 1/2 charged nimh and put it on a peak charge again?
Old 05-08-2007, 06:28 PM
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Default RE: Help me charge this battery....

Yes, it is ok. Are you sure it isn't full? If it was hot (over 120 F) then it's full already.
Old 05-09-2007, 06:21 AM
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Default RE: Help me charge this battery....

I was under the impression that the peak charger would shut off automatically when the battery has reached peak charge and then switch to trickle charge. So your saying I CANT do a full charge on a battery that is still half charged?
Old 05-09-2007, 06:42 AM
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Default RE: Help me charge this battery....

I'm saying that it is ok, you can do a charge on a half full battery. You're correct about the charger.

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