Increasing charge rate from TV to TC?

~DJ~ wrote:
It is my understanding that the amount of charge going to the truck camper battery is determined by how much the alternator needs to send to the truck battery. So if the truck battery is nearly full the camper battery gets very little charge.

My problem is I installed a 12 volt compressor fridge that consumes nearly 4 amps per hour. The weather has been very warm (100°) so the fridge runs most of the time. At the end of the driving day my 100 amp battery is only half charged (12.50) Just enough to make it thru the night IF I don't sleep in!!!

Just wondering if there is a way to increase the flow to the TC. And maybe something with a voltage regulator?

I have 100 watt solar but is useless in heavy timber. And going to a larger capacity battery doesn't make sense if I can't charge up the one I have.

Please keep any responses in layman's terms!! LOL

Thanks.....DJ

Have I been dealing with the correct thread here?

Car alternator voltage regulators have a BIG problem.....

Most systems sense temperature either inside the alternator or inside the vehicle ECU. Rising temperature causes charge voltage limit to slump. My toad a MoPar slumps almost a half volt when the engine compartment warms up. This complicates things.

Using VERY large wire and topnotch parts in a wiring system between an alternator and RV battery is of prime importance when the vehicle's charging system is going to be replied on to charge the RV batteries. There can be no half-way compromises. Even one small point, connecting the charging lead wire to the -alternator output stud- rather than the vehicle battery is likely a "Make Or Break" difference in whether the system works well-enough or not.

Personally, for my own use I would modify the truck and camper electricals as I outlined in my first response. Secondly for this issue I would substitute an AGM battery for the flooded battery because of the limit of one single battery, and the need for the battery to accept a charge as fast as it can. A 31 AGM can accept 50 amps at voltage regulated levels, and the original poster has a time issue. This calls for no halfway measures. Six gauge wire. Anderson Pole Power Connectors, and connection directly to the vehicle alternator output stud. If that does not solve the issue, a group 31 battery AGM is step 2.

From the school of hard knocks, substantial professional trial and error experience and common sense...