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« Last post by LRUCH on August 05, 2026, 03:16:03 pm »
I'm probably not the right person to reply here, as I replaced everything with Victron and lithium (800AH) and added solar (2.3KW on the roof & 800W on the ground), but here are my thoughts for what they are worth...
The invertors and convertors only last about 10 years. They either wear out from usage, heat or age... Plus or minus a few years... And your mileage will vary...
My invertor degraded to the point 1700 watts was its peak (no longer 2000W} and the microwave over heated it. The convertor was slow to charge my batteries and wasn't doing anything to extend their lives and its fan was extremely loud. .
So where am I going? I initially thought I would replace each box as it quit, but it's not easy finding equipment that is compatible with older stuff while also "future proofed" to be compatible with modern power technologies. And then I realized that if I didn't stick with a single brand I would soon have displays and buttons on every wall.
I was ultimately going to need to replace the AGM batteries again that year, as well as everything under fridge. My battery tray rusted out and the batteries dropped to the ground while I was adding water... That was the final straw, TBH. It was then I decided to make that big step. .
It's a serious question to consider. Continue with lead acid batteries and old technology, maybe another 3 years.. or switch to lithium/solar/modern invertor&convertor. I now have a single touchscreen on the wall. Full control also on my phone/laptop/tablet. Batteries that will last 10+years. The ability to boondock for a long as I can carry enough water. Oh, and no noisy fan keeping me awake at night.
I'm not suggesting to rush in and replace everything. But it was the right decision for me as I plan to retire very soon, travel a lot, boondock more often, do repairs less often and never maintain another battery.
Larry