On the topic of parallel charging of Lixx / PB packs. - Page 25 - RC Groups
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Aug 12, 2009, 11:20 PM
Registered User
Just finished speed reading this thread and updates. Again, this is yet another priceless source of great information. Julez, thanks very much for starting it, and everyone else for all the time put into it helping others.
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Aug 14, 2009, 04:44 PM
Registered User
Very nice thread. I produced a video showing how to charge 5 batteries quite a while back. My video shows the use of 4 separate balancers. This has a slight advantage in that if a single cell is severely out of balance, you don't force balance them with an inrush of current from the other cells.

Enjoy.

How to charge up to 4 Lithium batteries on One Charger (4 min 41 sec)
Aug 30, 2009, 06:52 AM
Registered User
So my wires from HK arrived yesterday, and some soldering before breakfast today and I got this made. Do they look all right for some parallell charging.?
2 x 6c 2800 on the bc6-10. Using a 15amp/13,7v power.
Aug 30, 2009, 07:10 AM
Registered User
I must admit I have not read the entire tread yet.
But anyway, as of now I have 2x mystery 6c 2800 lipos and one 6c FP 2550 evo.
If I got it right, I will charge the 2 mystery pack's at 1c /5,6 amps on the
bantam.

But what do I charge at when I have different pack's , letís say one 2500 and maybe one 3300 pack at once?

And do I plug it all up in some specific way, like the balancing lead's first then you plug the charging leads ,ore don't it matter.
Aug 30, 2009, 08:09 AM
Badger
badger-b's Avatar
Quote:
Originally Posted by maxmekker
I must admit I have not read the entire tread yet.
But anyway, as of now I have 2x mystery 6c 2800 lipos and one 6c FP 2550 evo.
If I got it right, I will charge the 2 mystery pack's at 1c /5,6 amps on the
bantam.

But what do I charge at when I have different pack's , letís say one 2500 and maybe one 3300 pack at once?

And do I plug it all up in some specific way, like the balancing lead's first then you plug the charging leads ,ore don't it matter.
*I take it you meant to say 2 x 6S packs NOT 2 x 6c packs !
Most Lipo packs are good for charge rates of 1C only. Parallel connection of your two 2800 packs will result in a battery of 5600mahr, and should be charged at 1C = 5.6A.
The 2500 + 3300 pack in parallel = 5800 ma...or 5.8A charge rate at 1C
Aug 30, 2009, 08:31 AM
Registered User
2x 6s it is.

well then I'm good to go, thanks 4 the fast reply.

sTian
Aug 30, 2009, 11:27 AM
Registered User
Well it worked like a dream, no worries. 68 min putting in 3000mah @ 5 amp. I will rise the charging to 1c next time.

bantam bc6 10 (0 min 23 sec)
Sep 04, 2009, 09:06 AM
Jack
jackerbes's Avatar
This thread needs to be bumped occasionally. Or mabe even turned in to a sticky!

Thanks again for starting this thread Julez!

Jack
Sep 04, 2009, 09:20 AM
KC
KC
Registered Loiterer.
KC's Avatar
I second the sticky! I'm surprised its not one already.

KC
Sep 08, 2009, 02:23 PM
Just call me Stealth
StealthGod's Avatar
Should definitely be a sticky. Very informative thread.
Sep 21, 2009, 12:41 PM
Flying is Freedom
Sky_Captain's Avatar
Thanks to all for the good info on this thread. I'm posting so I can subscribe to this thread and come back later and read.
I also want to charge multiple batteries with the same charger.
I have the Team Checkpoint 1030 and the Accucell 6
Sep 21, 2009, 12:45 PM
Registered User
+1 for sticky
Sep 26, 2009, 02:22 AM
polite, cordial gentleman
Hell yea. I got lotsa knowledge from this thread.
Sep 26, 2009, 09:12 AM
Retired CFI Helicopter
Hughes500Bob's Avatar
Quote:
Originally Posted by maxmekker
I must admit I have not read the entire tread yet.
But anyway, as of now I have 2x mystery 6c 2800 lipos and one 6c FP 2550 evo.
If I got it right, I will charge the 2 mystery pack's at 1c /5,6 amps on the
bantam.

But what do I charge at when I have different pack's , letís say one 2500 and maybe one 3300 pack at once?

And do I plug it all up in some specific way, like the balancing lead's first then you plug the charging leads ,ore don't it matter.
IMO ... Always plug the main power leads together first and try to keep the batteries in a similar state of discharge per cell voltage. Any voltage differences will immeadiatly start to equalize when you plug the two packs together ... through the larger main power wires. I wait about 45 seconds then plug the balance taps in.
Sep 26, 2009, 10:42 AM
Registered User
Well, I do it the other way around. I always plug in the balance taps first and let it balance itself via the balance taps. So far, I have only plugged one (the largest) pack into the main leads. I have been meaning to make up multiple output for the main leads but am worried about the male contacts hanging loose and shorting out!

If I ever do a multiple main lead, I will make up some cover for the male deans. I know there are some sort of covers available, but not locally in Malaysia and the USA is too far for some minor thingy like these.

chewy


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