![]() I am mostly concerned that the smart charger will "see" the converter and will cause problems with the automatic charging profile. ![]() I will watch the voltage at the battery terminals to make sure it rises to 14.4V so I can confirm that the charger is working correctly. I am going to mount the charger in the truck bed so that when I plug the truck in that the charger and converter will both power up. I agree with 13.8V being a good maintainer voltage. Is this dangerous to do? What are the risks? ![]() I COULD disconnect the battery and charge it separately using the smart charger because the converter will supply 12V to the fridge without needing a battery but I am lazy and want to just plug in the converter when I pull into my garage. My understanding is that a solar charger and a converter can easily work together on the same battery without any problems (I have a 100W panel on the roof and a 20A MPPT solar charger). Would it be safe to have them both connected to the battery at the same time? My theory is that neither will interfere with the other but I am not sure. Can I use the smart charger to charge the battery while the converter is powered up and supplying power to run the fridge? The smart charger is not designed to be a converter so it cannot power the fridge and charge the battery, concurrently. I do have an 8-stage 15A smart charger I bought from Vmax that is ideal for charging the AGM battery. Unfortunately, the converter will not charge the AGM battery fully since it is a single stage converter/charger. I am using a VMax 135AH AGM battery to power the fridge that is isolated from the truck battery unless the truck is running (using a 40A relay). ![]() I have a 12V fridge in the bed of my truck when I am not using the truck camper (the bed has a topper) and by using the 7345RU, I can pull into my garage and plug in the converter which will supply power to the fridge without the truck running. The converter works great and can supply up to 45A DC with no sag, which is way overkill for my needs but I had it in my garage from when I upgraded the converter in my truck camper to a 3-stage smart charger. The Magnatek will charge a regular lead acid battery, given enough time, but it won't ever charge the AGM battery up to 14.4V where it needs to bulk charge. I have the 7345RU from when I upgraded my truck camper converter to a PD 4645 a few years ago. My question involves using a smart charger in combination with a re-purposed Magnatek 7345RU converter/charger that still works and puts out a steady, regulated 13.8 volts DC. ![]()
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