Steve Morris Posted April 18 Share Posted April 18 In my Hiker squaredrop trailer, I used a Bluetti EB70S Portable Power Station to power the trailer and a Bluetti EV200 panel to keep it charged. I have a second EB70S in my Land Cruiser to power the 12V fridge/freezer. While the EB70S is way more than needed for the trailer's LED lighting and Fantastic Fan, it was handy to have two of the same unit in case the one in my tow vehicle gets low, then I simply swapped them out. Now, with the Oliver's 630 Ah of battery, the weak link is the 400W solar panels. As an experiment, I ran the Truma AC from the inverter for two hours, which reduced the battery SOC 21%. It took about 48 hours in my driveway for the panels to recover to the previous SOC. It would be nice to supplement the solar with the 200W portable panel, especially if camped in the shade. The Oliver has the Zamp solar port on these, which is connected directly to the batteries. But my panels do not have an inbuilt MPPT charger. That's internal to the EB70. I have a generic MPPT controller that I could connect directly to the batteries and plug the EV200 panels in there, but then the rest of the system doesn't know what rate of charge is being used. Ideally, I'd like to add a pigtail with an Anderson plug to the Victron SmartSolar 100/50 MPPT controller, and feed all of the solar input though this much more sophisticated device. Oliver's panels are 400W and the EV200 is 200W, for a total of 600W. The Victron 100/50 has a nominal input of 700W at 12V, so I'm good there. 600W divided by 12V equals 50A, and the Victron 100/50 is rated at 50, with a maximum short circuit current of 60A, so I think I'm marginal there. I know that panels put out over 12V, but I'm not familiar enough with the technology to know if I'm safe combining the these panels with the Victron 100/50 installed by Oliver. Is anyone familiar enough with solar charging to help me understand if this will work? Thank you for any input! 1 ----- Steve - Northern Ohio, USA Wandering around on occasion, always lost. 2021 Toyota Land Cruiser - 2023 Oliver Elite II Twin Hull #1360 “Curiosity” Facebook - Instagram Link to comment Share on other sites More sharing options...
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