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Old Feb 24, 2004, 04:23 AM
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Bradenton, Florida
Joined May 2003
563 Posts
Tram what packs would you like to charge simutaneously with the 109?

As long as they are of the same capacity and cell count (albiet balanced and in similar good condition) it can (read: 2/ 3s packs used in a 3S2P config discharged together). Just use a parallel Y cable to hook up...

The packs I've made have taps so I can balance cell by cell. This comes in handy only if there is questionable performance related issues where none existed before.

If they are not of the same discharged cpacity then it would be best to charge seperately... but if close simply adding a high wattage 0.1 ohm resistor to each pack Y leg will help balance the current load between packs. Also need to monitor each packs voltage (eg using 1 DMM per pack or similar).

or

This is where Suzanne's cell balancers would really come in handy.

Warning: You must babysit them (watch them like a hawk) at all times when doing this.
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