New batteries, old charger...
08-13-2003, 11:40 PM
#1
Tech Initiate
Thread Starter
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,
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,
08-13-2003, 11:46 PM
#2
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.
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.
08-13-2003, 11:50 PM
#3
Tech Master
Make sure you disable "turbo-flex" on the chargers.
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