FMA CellPro Balancing Charger - RC Groups
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Apr 05, 2006, 07:11 PM
Red Scholefield
Red Scholefield

FMA CellPro Balancing Charger

To All you LiPo users.

FMA has one hell of a product in the Cellpro 4s Charger (received it
yesterday). I added banana plugs to the power lead as soon as I got it, as
I will probably use it more in the shop where there are a number of 12 volt
outlets (banana jacks). Have a cigarette lighter plug to match the banana

The quote from a popular tv add, "The operation is so simple even a
Neanderthal could do it.". There is no way one could screw up this charger
or their battery pack. Polarity protection coming and going. No knobs to
turn, buttons to push - only one button to manually set the charge rate if
you don't use the Auto mode. This same button lets you scroll through the
displays - giving you % charged, charge rate, capacity input, source voltage
and individual cell voltages during the charging and balancing operation.

I was so impressed with the simplicity of the operation that I set about
modifying every lithium pack I have to take advantage of the Cellpro, either
adding the appropriate connector or making up adapters. I found that two
JWS connectors CAd together to form a 4 pin connector makes a good interface
for many of the 3 cell pack balancing connectors I have from other vendors,
and the male part (without shell) of a Futaba J connector works fine for 2
cell packs. I made this up using one Cellpro connector Y'd into the 3 and 4
pin connectors. (For the Neanderthals - don't hook up two packs at once.)

Instruction manual (8 pages) apparently written by someone that has actually
used the charger - a gold mine of good information, particularly the part
on Estimating Performance factors.

While the Charger viewer software is a free download from the FMA web site
you really don't need to hook it to your computer to take advantage of its
full potential. Having the option is a nice feature for the techies that
want to view the charge graph and store the information.

My prediction is that the Cellpro will blow away the Lithium charger market.
They should be shipping this month.

Red S.
Red's R/C Battery Clinic
Check us out for "revolting" information.

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