![]() ![]() Simply set up each controller and battery bank as an independent system. You will have the added expense of the extra controller(s) and you still cannot combine the output of the batteries to power the same load. Each controller can be set up for a particular type of battery. Unfortunately, one of the outputs is only a 1 amp float charge.įor all practical purposes, the only way to have a system where different battery banks are always connected to a controller is to have more than one controller. I did find one controller with dual output, designed for marine applications. I looked all over the internet and could not find any controller that fit this “unicorn” criteria. Wouldn’t it be great if there was a charge controller with two separate outputs? Preferably, these outputs could be user-configured to different battery types. Only one battery bank can be charged at a time.Cannot mix different types of batteries without reconfiguring charge controller every time the load is transferred.No automatic switching between battery sets load must be transferred manually.Requires no extra electronics or hardware other than the physical switches.Battery Isolators, Separators, and Combiners. Furthermore, only one bank can be charged at a time. Unless your controller has an easy way to change the battery type (and you always remember to change the setting when you switch banks), you can’t mix different battery chemistries using this method. Because each battery type has different charge voltages, the controller must be set internally for the battery type you plan to use. It only works if the batteries in each bank are the same type (AGM, lithium, flooded, etc.). This method allows the user to select which battery will charge and which battery will power the load. After that, you can manually select which set of batteries you want to use. The cheapest and easiest method of incorporating various batteries is to simply place a single pole, double throw (SPDT) switch between the batteries and the load, and another SPDT switch between the controller and the batteries. None of them are perfect, but one of these should get you close. But how can you do that without altering or messing up the battery system you already have? Battery isolators, separators, and combiners are a few options. That’s what happened to me.Īt some point in your obsession, you’ll likely want to expand battery capacity. Next thing you know, you’re adding more and more until you have what looks like the progeny of a NASA satellite and doomsday prepper outpost. I’m not too serious about this,” thinking that’s as far as you’ll ever go. You tell yourself, “I’ll get a modest battery and solar panel and just fool around a little bit. Off grid ham radio has an addictive quality about it. When you want to expand your battery capacity.
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