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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...
pianotuna's avatar
pianotuna
Nomad III
Jan 13, 2021
Hi all,

Here is what happens on my class C e-450 v-10.

I sometimes use the water heater on the electric setting while driving at highway speeds (50 mph).

After 20 minutes the voltage starts to sag.

I then turn OFF the inverter which stops charging.

After 40 minutes I turn back on. After a time the voltage drop reaches 12.3 and I turn off the inverter.

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