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03-27-2024, 10:14 AM #1
What MPPT solar charger are people with more than 660w of solar is being used
I have 660w of solar on my roof already and am considering expending it. I have the SF 100-50 Solar controller from GD that came with my rig. I spoke with the solar controller mfg and they
said I can not use that controller with more panels based on current load for wire size used from the factory and the controller max of 50amp. What are you all doing that have pretty good sized solar farms on the roof of your rigs? Thanks in advance!!
jason2023 Momentum 397TH w/Gen3 Goosebox
2020 GMC Sierra Denali Duramax
2020 F-450 Limited PowerStroke
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03-27-2024, 01:18 PM #2
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You could go with a serial/parallel setup using Victron's 100V 50A controller (https://www.amazon.com/Victron-BlueS.../dp/B01BPLJASU).
Stephen and Judy
2022 Reflection 150 Series 260RD (Stella)
2017 Chevy Silverado 2500 HD (Blue)
Traded - 2018 Forest River Rockwood Minilite 2104S
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03-27-2024, 01:24 PM #3
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I have just under 1100W of solar on the roof feeding a pair of 24V 200AH batteries. The solar controller is a Victron 150/70. The problem I ran into was a mechanical one, not electrical. I figured that I could fit six panels on the roof, but the first installer said he could only install one, maybe two, panels. The man that did the install, Superstition Solar in Tempe, thought he could fit four panels on. The roof is about 2-3" too short to fit the fourth panel on. My panels are installed in series, so the factory wire is sufficient.
David Lininger, kb0zke
Rev. 2:10c
2022 Reflection 315RLTS, 2016 F350 CC SRW King Ranch
https://www.smugmug.com/app/organize/2022-315RLTS-Solar
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03-27-2024, 02:10 PM #4
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800W in series/parallel using Victron 150/60. Victron has great stuff albeit on the higher end of the price spectrum.
Chad
2023 23LDE 965W Solar, Victron Multiplus, Solar Controllers, Cerbo GX, 4x280AH DIY Lithium Batteries, SeeLevel Tank Monitoring, Shock Absorbers (Replaced 2022 22MLE)
2022 F350 6.7L Superduty, Carbonized Gray, Ultimate Lariat Pkg, 4WD, Crew Cab, 160" Wheelbase, 3.55EL Rear End, 3566# Payload
Adaptive Steering, Ultimate Camera Pkg, 20" Wheels, 397 Amp Dual Alternator, ARE Topper (Replaced 2004 F150)
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03-27-2024, 02:10 PM #5
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Thread moved to Solar Systems and Generators.
RobU.S. Army Retired
2012 F350 DRW CC LB Lariat PS 6.7
2020 Solitude 310GK-R, MORryde IS, disc brakes,
Sailun LRG tires, solar, DP windows, W/D
(Previously in a Reflection 337RLS)
Full time since 08/2015
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03-27-2024, 03:22 PM #6
You have 3 panels total in your setup for a total of 1100 watts capable?
2023 Momentum 397TH w/Gen3 Goosebox
2020 GMC Sierra Denali Duramax
2020 F-450 Limited PowerStroke
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03-27-2024, 03:23 PM #7
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03-27-2024, 08:09 PM #8
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I have three 365W panels in series on the roof, for a total of 1,095W up there. If I had been able to put the fourth panel on, I would have had 2S2P for 1,460W. Unfortunately, the roof was about 2" too short and Jo Ann wouldn't let me put some 2x4 pieces up on the back wall.
David Lininger, kb0zke
Rev. 2:10c
2022 Reflection 315RLTS, 2016 F350 CC SRW King Ranch
https://www.smugmug.com/app/organize/2022-315RLTS-Solar
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03-27-2024, 08:13 PM #9
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Can't go wrong with any of the Victron controllers.
2007 Volvo 780 VNL Trailersaver Hitch
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