Portable rv battery monitor7/24/2023 ![]() Honda makes generators that are VERY efficient. The bad part of it has to do with the fuel required to run it. I have what I think is a good idea and a bad idea at the same time. The weight puts the the boat gives it a bit of a list which is not a good thing. One of the things you mentioned was not liking the current generator set up due to weight and placement in the boat. Watching your video on recharging your batteries I found it interesting and informative. The “off the grid” section of the blog has a lot more info on solar, including videos on charging the batteries, more info on solar gear, etc. They charge so much faster (so less generator time if it’s cloudy) and you can pull more of the energy out of a lithium battery than either an AGM or lead acid. If you’ve been using the simple voltage monitor that comes with most RVs and probably most boats, that is a wildly inaccurate measure of the actual state of charge and might be why you’ve fried a couple of batteries.Īnd finally, for a little more info on battery choices, you can check this post out: If you are living aboard the boat and can afford lithium you’ll never be sorry. The battery monitor lets you see the current state of charge of your batteries, you can see how many amp hours you are actually using at any given time, and lots more info. You also mentioned a battery monitoring system, and that is a great idea in addition to the solar controller. The Wynns have an overview of how a solar system works here, with links to all kinds of gear (including solar charge controller): Solar charge controllers have several built in battery profiles, so if you buy AGM batteries you need to choose the AGM charging profile, or the lithium profile if you buy lithium. ![]() Also, I’m not sure what you mean by moving the charging from one battery to the next, because the system charges all the batteries at the same time. The charge controller monitors the charge state of your batteries (whichever kind you choose) and it shuts off charging from the panels to keep them from being overcharged and frying. If you’re installing solar panels you’re going to need a solar charge controller.
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