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Thank you! I think this was the problem. I swear I had tried this before, but tried again, and it worked. For anyone else with this same problem: - I set user setting 14 (Low Voltage Warning) to 47.6 (instead of default 43.6) - I was then able to set user setting 5 (Utility to Battery Power...

Ok, I'm now testing out the settings I changed .... this is completely annoying. So as discussed earlier I couldn't set the "Change to Utility Set Point" until I changed the "Low Voltage Alarm Voltage" ... but not I've found another problem. It seems you can't set the "Low Voltage Alarm" at...

it's 15 strings. LiFePo4, and charges at 54v constant. The specs are here on the last page of this pdf manual: https://www.renogy.com/content/RBT50LFP48S/50LFP48S-Manual.pdf BTW, I see mixed reviews about Renogy stuff, but these batteries are really nice and haven't degraded much after over a...

I think it was set to 44v, because originally this product shipped before the 48v batteries were out. So it was set for AGM batteries by default. They really should note this in their documentation, because you would think the 48v charger would be paired with 48v batteries by default. The 48v...

btw, how do you get the voltage range from the number of strings?

Coming late to this thread, but I have had this unit in my RV for over a year now, and functionally it's great, but the menus are a bit confusing, and you have to set them at the unit ... there is not remote control, which is a pain since it's under the couch and the screen is not easily...

Yes, I have this unit, and you can use it in "UPS Mode" where it runs on utility unless there is a power outage, then it switches to solar + battery. There is also a mode for using "mostly" solar + battery, but switches to utility when battery is low.

Hello - I've been using this inverter for about a year, but I've come across a problem that I can't figure out. Here is the situation: I'm running the inverter in hybrid util + solar charging. My solar array is not big enough to fully power all my loads (1200watt array), but I have 2) 48v...

Heh, I'm not sure what an AIO, SRNE, or Solar Assistant is ... so I'm going to say "no". I'm using the Renogy 48v Solar Inverter Charger + 2x Renogy 48v 50ah batteries.

it's 40amps / 48v about ~ 20amps at 120, which makes sense.

I used 50.5 because that was the voltage when the battery was about 80% ... the battery charges FULLY at night when there is no solar input. Still tweaking these settings though! The problem is that the inverter is under the couch, and it is very hard to reach/read the display (I have to use a...