Bill
Simply searching for Promax Analyser battery came up with this:-
That looks like a 2p6s pack (take 6x 18650 cells and put them in parallel, then join two of those parallel blocks in series). eg:
Since you only need 13Ah you could go to 2p5s, which are more commonly available:
What's the maximum current drain? 6p should be good for 30-180A, depending on the type of cells.
Or just buy some 18650 cells and recell it yourself?
Theo
They are much smaller batteries. I suppose they might do the job, but with very short run time. Bill
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