Interaction of Solar and Alternator
My camper has a single 100W roof-mount panel, which meets my power needs (2 @ 6V batteries) when the sun shines. However, when camping among trees for several days it is easy to consume 70 to 100 Ah ...
Forum Discussion
Rustofer wrote:
I have measured approx 14V at the camper connection, so there is alternator voltage there.
Despite what you have measured, as a retired automotive engineer I can promise you that voltage will drop probably down to about 13V which is NOT sufficient for charging the battery in your RV.
SoundGuy wrote:
If you're attempting to use your vehicle's charging system for recharging a trailer's deep cycle battery you'd be FAR better off using a DC > DC charger, one example being the CTEK 250S which also allows for charging from your solar panels.
Redarc also makes a similar charger.
Concur !
