Controller Replacement

[JohnD135]

Hi All. I was biking across the North York Moors a few days ago and may have damaged the controller by pushing the bike up hills and using the throttle to assist. Since I am going to have to get into it, could one of you suggest something a bit tougher, or even sine wave? The current size is 85x55x30mm, approx and i could maybe go a little larger. Any suggestions please? By the way, I had increased the current limit from 15A to about 20A, so it was my fault!