I made it wih the battery, but it's nothing for softies
-You'll take an Grinder and cut VERY VERY carefully on the edges of the case. Don't cut to deep!
-If you made it the right way this is what you will see:
-Un-solder the two wires that go to your controller ( red for + black for -)
-Take some wire and solder them directly to the battery positive and negative.
-For the positive pin you can (or should) use the 40 amp fuse. So you have a bit of safety in what you're doing
.
-After this you connect the negative pin on the right side:
-It should look like this now:
Done. The Controlelr in the battery is still for charging the battery but the controller can't switch off the output anymore. and you can drive.