[jeffba]

Originally Posted by goingwest

My 2018 doesn't have the switch but there a place on the charger to change it over to Li a three prong post with a cap over the center and left post change the cap to the center and right post. It is under the 4 wire ribbon coming from the charge wizard to the charger you take the 4 wire ribbon off leave it off. This puts the charger in the14.4 volt mood. I got these instructions from Progressive Dynamics for a PD4575K18LS8 Converter. And it marked Li on the 3 prong you are changing that cap on.

Thanks, I'll look into it