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GE to all. A quick question. My LiFePo batteries (2x100AH) have been performaning flawlessly. but this weekend I checked and one battery was at 52.0% DOD and the other was at 98%. I was under the impression that they discharged at "about" the same rate and for the last year they have been...

GA name is Bill and I have been utilizing solar power for over 20 years, starting with a 5w system (for maintaining sailboat batteries), then moving up to a 90w system (for nav equipment, radios, &/ lighting). More recently we purchased an off grid cabin in the nearby mountains where at first I...

GM to All. I just got a new Ampinvt 80A MPPT with the intent of adding 2 new panels (for a total of 1000 watts). There's a sticker on the MPPT that states Max PV VOC 150V. However the the literature and the manual states: "Fit for solar Panel: 1140W(12V); 2260W(24V); 3420W(36V); 4540W(48V)...

GA to all. My system is 4S2P 12v, 800W, 60A MPPT controller. even in full sun I have never seen my wattage anywhere near 800W. I know there is an efficiency loss but not 350ish watts. Is the MPPT reducing it or is there a wiring problem? Voltage also appears to be off. 23 Max VOC would =...

Hello to All. I am concerned I have an issue with two 100 AH LiFePo4 batteries. The SOC has been within a 2 or 3 percentage points of each other for ttwo years.(as it relates SOC). Within the last week or two they are now almost 10 percentage points. Any thoughts? TIA

GE all. Well the Winter Solstice and a few trees are wreaking havoc at the farm.. For a little while I'll need to bolster the charging power of our PV with our Honda generator. My question is, do I need to disconnect the PV input and then use the generator OR can I just leave the PV input to...

Are for sale posts allowed? If so where?

GM / GA I have 2 brand new in the box Renogy One M1s. They will not work on my off grid system and since they were in a "package" deal, I can't return them without returning everything. I have the wrong MPPT and there is no celluar/wifi signals anywhere around the cabin. On renogy.com they...

For Sale RICH SOLAR 40 Amp 12V/24V DC Input MPPT Solar Charge Controller with LCD Display Solar Panel Regulator for Gel Sealed Flooded and Lithium Battery. Shipped iin the original box, with manual. BUYER PAYS SHIPPINIG!!!!! $100 + Shipping. Purchased new in April 2020. Works fine. Went...