Lithium battery isolation
For those who are adding litium batteries, here is my solution to the charging from alternator issues. This little gem is supposed to charge the litium coach batteries without burning up the alternator. And as a bonus it charges the chassis AGM battery when the coach battery is charging to keep the starting battery from slowly going dead when parked on shore power. I only added the large red wire to jumper the chassis connection, a 12 ga wire to the connection under the drivers seat for the ignition wire. and a short ground wire. I did it this way so it is easily reversible if there are problems at a later date. Seems to be working as it should. I will know more in a few days when I check the status of the starting battery (see if any voltage loss).
Retired and Traveling Often
2015 Winnebago ERA 170X 3.0 Diesel
2016 Smart car for TOAD South central Wisconsin.