I have a couple of Makita 12v pod style batteries that are pretty much shot.
The model# 1233. Has anyone ever taken these apart without destroying the
casing? What would be the best way to do it? I'm very handy with a soldering
iron, batteries and multimeter (fly electric RC). I would much rather make
my own pack than have someone else do it.
The tabs on the individual cells in a battery pack are usually spot-welded
together. You can solder them but you have a much greater risk of heat
damaging the cells. Most industrial battery stores, or suplliers like
www.digikey.com will provide the cells welded, assembled, and shrink-wrapped
in the configuration you need for little or no extra cost over the price of
the individual cells.
I've done the deed to the 9.6 stick batteries. Used a piece of copper wire
pounded to flat cross section then stuck in a weller gun style soldering
gun. Cut the case at the bottom (on the 9.6 that's where the bond line is)
Then used abs pipe cement to reglue the joint - got the cells from
batteryspace.com- they were subc cells (1.8 amp/hr) I froze the cells then
did a quickie solder on the tops to keep the heat from destroying the
plastic seal located on the top. Some guys use desoldering braid for the
connector between cells (if the cells are bought untabbed). That sounds iffy
to me as a stray strand might ground the cell!! Pat
I think you are trying to break it open along ultra sonic bond line or
something like that. Freezing the thing and rapping it on a work
bench often breaks things open. At least it works for many Amateur
radio batt packs.
Wish you well,
Whiskey Echo Sierra Sierra AT Gee Tee EYE EYE dot COM
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