So you're thinking the best option is to get a second set of OEM batteries and hook them up in parallel to the internal pack? I was hoping to be a bit lighter than the over 600lbs of the stock set. I did find some leads on AliExpress where I could get 4 20s 55ah packs and then build myself a...
How much power does the Focus motor draw? What discharge rating should I be looking for with an external pack? Also any leads on where I can get Li-ion packs? I can only find LiFePO4 packs in large sizes.