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    Charging rate question

    In my system I have 2 banks of 4 Chins 12v 100ah batteries. The Chins manuals specify a 50A charging limit (set, I presume, by the BMS). Here's my question: Since I have two of these banks in parallel, can I push 100A to the battery system? Or do I need to stick to the 50A across the whole...
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    Battery bank early cut off

    Hello, all -- I've got my first system up and running, and it's been going like a champ for a few weeks. I've been gradually adding loads to find the limits of my overnight discharge ability, and I shouldn't have found it yet...but I have. I've got a 48v system with 3 strings of 3 340v panels...
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    Series and Parallel for batteries

    Setting up my first off-grid system at 48v nominal, and trying to figure out how to wire the batteries in. I have 2 24v 100AH batteries, and 8 12v 100AH batteries. I know I need to wire the pair of 24v in series with each other to make one 48v batt. Similarly, I need to do 2 pairs of 4 12v in...
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    External Low temp cut-off

    Putting together my 48v off-grid system, and have discovered that my all-in-one inverter/charge controller doesn't have low-temp cut-off, and two of my batteries also do not have low-temp cut-off. Obvs I will need to solve the low temp problem. First stage of the plan is some heat mats in the...
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    Shopping for the missing parts for a 24 or 48v

    Okie dokie, here's what I've got: 9x340v solar panels (72in long) 10x365v solar panels (60in long) One all-in-one inverter charge controller which'll handle the 9 panel array 2x24v 100ah LiFePO batteries I need to fill holes in this and come up with a design to power a cabin in northern...
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