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I need to update my old Trace C40 solar charge controller. My system will be 48V with LiFePO4 batteries and and currently only 1200w of solar. Which I hope to expand in the future to 2000-3000w. Renogy MPPT controller @ 140vdc 60a input 12/24/36/48 vdc output vs Victron MPPT 150vdc 35a or 40a...

After reading here on DIY Solar forum the proper method of verifying condition and then assembling a 48vdc battery bank, I have ordered the following from "BATTERY FINDS". I selected them over the "18650 Battery Store" because they as well have a US based warehouse (City of Industry California)...

Well my SW5548 finally let me down after 20+ years of faithful service. My main suspicion is the buttons on the HMI or faulty. The interface window is full of just random characters and the relays are going crazy in the back. The unit is in pretty good shape as it did not get "smoked" with and...

We have had an off grid cabin going on 21 years. I started in 2003 using a Trace SW5548 inverter with 8x Trogan T-105 batteries and 8x 60w solar panels plus a Trace C40 charge controller. After 6 years the Trogans were done, so I located some even larger locomotive batteries from Dyno Batteries...

I have had a Trace Engineering SW5548 installed at our off grid cabin and running continuously since first installed in 2004 so 18 years, no complaints about that. However this morning I find no power on and when I investigate the inverter has shut down when I reset she runs momentarily and then...