Installed a Hydros X3 controller, more details here.
Next I just repaired and replaced my Ecotech battery that has been dead for a good 5 years. Got some good instructions from @phatduckk and telegraham here. Had to drill out the old rivets, install the new battery, then close it back up with machine screws. Works like a charm so far and it's a good 50% lighter with the LiFePO4 battery (plus lasts way longer).
No fancy rewiring or soldering, really easy swap for a fraction of the price of a replacement.
Next I just repaired and replaced my Ecotech battery that has been dead for a good 5 years. Got some good instructions from @phatduckk and telegraham here. Had to drill out the old rivets, install the new battery, then close it back up with machine screws. Works like a charm so far and it's a good 50% lighter with the LiFePO4 battery (plus lasts way longer).
No fancy rewiring or soldering, really easy swap for a fraction of the price of a replacement.