Lipo reshaping [N00B question]

Lightweight / Folding / Portable EVs - seats optional
Post Reply
arielrossolato   10 mW

10 mW
Posts: 33
Joined: Oct 12 2014 10:57am

Lipo reshaping [N00B question]

Post by arielrossolato » Oct 26 2015 6:04pm

Is it possible to rearrenge the cells of a lipo pack?
i assume it is but i never tried.
I found a 6s battery pack but it is preatty bulky and i'd like to make it flat (the six cells are quite thin).

Thanks in advance for the answers

User avatar
cmatson   100 W

100 W
Posts: 118
Joined: May 21 2015 9:55pm

Re: Lipo reshaping [N00B question]

Post by cmatson » Oct 26 2015 6:20pm

technically you can, but it is pretty difficult; the cells are easy to damage when you separate them because they are all glued together.

the easier thing to do is just buy the cells individually from hobbyking, and then solder them up yourself!

arielrossolato   10 mW

10 mW
Posts: 33
Joined: Oct 12 2014 10:57am

Re: Lipo reshaping [N00B question]

Post by arielrossolato » Oct 26 2015 6:28pm

cmatson wrote:technically you can, but it is pretty difficult; the cells are easy to damage when you separate them because they are all glued together.

the easier thing to do is just buy the cells individually from hobbyking, and then solder them up yourself!
Thanks for the really fast answer, is some kind of pcb needed?

User avatar
mccloed   100 W

100 W
Posts: 195
Joined: Nov 20 2014 1:55pm
Location: Garden Grove, CA

Re: Lipo reshaping [N00B question]

Post by mccloed » Oct 26 2015 6:32pm

This is possible. I have taken many bulky 6s's and laid them flat. @cmatson is correct. You need to be extra careful because they will be glued or double sided taped together. Another thing to be careful about are the metal tabs connecting the cells together. Typically they are spot welded together and can easily be broken apart and they are not the easiest to solder together once they are separated. I would also recommend going with the single cells. The metal tabs are a lot more solder friendly. A pcb is not needed.

User avatar
bandaro   10 kW

10 kW
Posts: 526
Joined: Jun 01 2010 2:17am
Location: Canberra, Australia

Re: Lipo reshaping [N00B question]

Post by bandaro » Oct 27 2015 3:33am

Possible, but also please note the tabs are aluminium. You will need some aluminium grade solder to do it, the regular lead/lead free stuff will not stick to the aluminium.

When taking the packs apart, there is a good chance the tabs will be crimped together also, so you will not be able to unsolder them. INstead they break, so best to get a bunch of loose cells or in the combination you will use (ie 6 lots of 1s2p, or whatever). You can get loose cells easily enough from HK or somewhere in the regular battery section.

Hummina Shadeeba   1 MW

1 MW
Posts: 1728
Joined: Apr 25 2014 10:26pm

Re: Lipo reshaping [N00B question]

Post by Hummina Shadeeba » Oct 31 2015 1:21am

The 4 multistar 4s packs I have are not glued together. Unwrap. Seal the tabs as they can touch when folded. Fold. Reshrink wrap.
glued packs can be separated if ur slow and careful.

Anyone who has soldered cells, how'd you do it? I'm worried I'd cook the cells in the process.

Post Reply