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Old 08-14-2003, 12:40 AM   #1
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Default New batteries, old charger...

Hi everybody,

I've just returned to racing after about an 8-year hiatus, and still have 2 older chargers in working order (CE Turbocharger and Tekin BC210 Pro-Flex). These are working fine with some 2nd hand 2400 NiCDs I was able to get, but I've just ordered some SMC GP3300s and I wonder if anyone could help with some guidelines to using older chargers with NiMH batteries.

Obviously, I am trying to avoid even more expense at this point; the batteries set me back a bit!

Thanks for any input and guidance,
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Old 08-14-2003, 12:46 AM   #2
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If your chargers are able to have user-selectable Threshold Voltages (the amt voltage drop before the charger turns off), set it to about 5mV/cell and they should be able to handle NiMH.

Nicads generally use about 20mV/cell (ie for a 6-cell pack, the pack voltage has to drop 120mV = 0.12V from its peak before the charger switches off).

Some Tekins can have their software upgraded by a 3rd party.
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Old 08-14-2003, 12:50 AM   #3
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Make sure you disable "turbo-flex" on the chargers.
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