I had all those parts sitting around so it would have been a cheap upgrade. It looks like bigger cells go on the wish list. I may still try an inside/outside cartridge with 18650's to get the voltage, capacity and extra weight that I wanted.
Thanks for pointing that out and saving me the trouble.
Hello all. I'm new to prospecting and first forum post. I've been lurking here for a while though.
My plan is to 3D print a battery cartridge for my tdi which will allow a cordless drill 18v Li-ion battery to clip on below the control box. Inside the battery compartment will be a cheapo buck...