Forum Discussion

otrfun's avatar
otrfun
Explorer II
Jan 11, 2021

60a DC-to-DC Charger Powered by 220a Alternator

Thinking about installing a 60a dc-to-dc charger in our truck camper. Have plans to power it with the 220a alternator in our truck. Under a worst case scenario it could load the alternator with an a...
otrfun's avatar
otrfun
Explorer II
Jan 12, 2021
theoldwizard1 wrote:
otrfun wrote:
Our plan is to accept whatever current we can safely and reliably get at an idle from our 220a alternator.

Nothing wrong with that as long as you do not need a partially discharge RV battery to be fully recharged by the time you reach your destination.

Without a DC-DC charger, that just will not happen.
Our plan is to accept whatever current we can safely and reliably get at an idle from our 220a alternator with a DC-to-DC charger.

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,330 PostsLatest Activity: Oct 30, 2025