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I have three 48 volt rack mount batteries, for some reason the battery that is connected to the positive side drains faster, any reason why?

I have been having strange things happen on my two growatt's, current on ground and now tonight when I turn the second unit on (not in split phase) I get an error 18, signature solar says it's because my units don't have the NG bond screw in place, told that there was bad info put out and that...

I saw a post several months ago about current on ground when two growatt 3000tl lvelm-es are wired in splitphase with AC input is connected, I have the same issue, both NG screws are removed and NG bond is done in panel. Anyone else have this problem or have a link to the original thread?

I have been trying to find a good quality battery disconnect switch that can handle 60+ volts DC but the ones I am finding look very questionable in quality, I have several bluesea disconnects llaying but unfortunately unknown to me that they are only good to 48 volts,Iif I can't find a good...

I have two growatt 3000tl lvelm-es inverters ran in split phase, both internal N-G bond screws have been removed, I did the bonding in the panel. When both inverters have AC input to use the inverters as battery chargers I get 2.3 amps on the ground at the box, if i take the bonding screw out of...

I am installing two growatt 3000tl lvm-es in my home, they will be wired as split phase into their own panel feeding some outlets, I have seen videos of people using a double poll breaker to back feed the panel and others use the L1 & L2 lugs in the panel, does anyone have any information on...

I am trying to find a side by side comparison of the 12 volt multiplus and multiplus II, all I can really find is anti islanding and aluminum case

I have a DIY battery kit that came with higee cells, I noticed that 8 of the cells have a white frost type residue on the under side of the vent cover, all of the cells have minor swelling around the anode and cathode, my main concern is the white frost substance, I have contacted the battery...

I have been looking at either two growatt 3000 one growatt 5000 or the mpp lv6548, I think I have settled on the growatt but im not positive, I like the option of two 3000 growatts because of the one is none two is one way of thinking plus I get 6000 watts and split phase and only needs 120...

I am trying to install either a MPP LV6548or a growatt 3000TL's in my house, my house has grid power so I am trying to use a transfer switch to make the inverter/batteries a temporary power source, I contacted the growatt dealer and I was told that the N-G screw is removed so that I don't have a...

I am getting ready to order the LV6548 and im not sure if I need the 150 or 200 amp breaker, the listing says either will work but I don't want to be over sized, I will mostly just use it as a battery disconnect but I would also like the protection it offers. Is the math watts ÷ volts? If that's...

I have been trying to find if NEC has anything saying if you can or can't have two power sources that are not tied to eachother in the same house, my plan is to keep all of my non essential loads (220) tied to the grid through their own breaker panel and another breaker panel that has all...