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Batteries & Chargers Discuss Li-P, Li-Ion, NiMh, Nicad battery technology and the chargers that juice 'em up!

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Old 12-12-2011, 08:20 AM   #1
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Default How to charge more than 1 pack on a B6 charger at one time ?

I want to be able to charge up more than 1 pack at a time with my B6 charger.

It has various balance charge sockets capable from 1 to 6S plugs.

It has only 1 set of power leads to my Deans connector.

You need to connect both balance and power leads of the LiPo to charge / test. Balance lead is feeding data of pack condition, power leads doing the charging.

So if I want to charge 2 3S packs ? How to do it ? I reckon a 6S balance plug with split lead to connect 2 3S packs to ... that solves the balance plug to B6 .... but what about the power side ? It's expecting to see 6 cells in series ... so would it work to create a series lead to bridge two packs into a 6S set-up ?

Ideas ? solutions ? Anyone else solved this ?

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Old 12-12-2011, 01:42 PM   #2
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It's probably safer to charge them in parallel though you can do it in series if you connect everything correctly. There are many off the shelf adapters available. Here is a big thread from RC Groups on parallel charging.

http://www.rcgroups.com/forums/showthread.php?t=932319
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Old 12-12-2011, 05:16 PM   #3
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Parallel charging is the way to do it.

You can make or buy the cabling.

Here is a good one that handles both balancing and power -
http://epbuddy.com/index.php?main_page=index&cPath=15
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Old 12-12-2011, 06:30 PM   #4
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Seems for a couple of $ Hobby King has the answer that is purpose made for my B6 charger .........

http://www.hobbyking.com/hobbycity/s...dproduct=10993

Thanks everyone ... I know what will be added to my next order from HK ...

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Old 12-12-2011, 07:37 PM   #5
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You may be better off charging in series, that charger is only 50W.
Paralleling doubles the required AMPS for the same C rate.
You don't have a lot to spare with that charger.
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Old 12-12-2011, 08:54 PM   #6
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Originally Posted by solentlife View Post
Seems for a couple of $ Hobby King has the answer that is purpose made for my B6 charger .........

http://www.hobbyking.com/hobbycity/s...dproduct=10993

Thanks everyone ... I know what will be added to my next order from HK ...
That device works and I have one for my AC6. It's most useful for small packs. Once you push up to ~2200mA 3S packs the power of the charger is maxed out, and the power of the balancing ability is pushed to it's limit. Depending on the inherent starting balance of the packs it may actually be faster to do one pack after another than both packs at the same time.
In other words, after playing with my 'new device' for awhile I seldom use it.

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