It's amazing what these little machine's can do. I've got a box 5lx3hx2w in feet full to the top with stones my tractor unable to move but my trancher just pushed it out the way as if it was empty 😂 also pulled my Kubota 16hp out of the bog no problems.
napa sells a battery we use them on stuff at work they last for a long time the part number is 8228 it's gel battery they are a little expensive but we can get 3 years out of a battery