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SunshineHarvey7

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About SunshineHarvey7

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  1. Yes, I think that's the direction I should go. I've just been learning that for times when solar isn't enough, I'll need a charger that's separate from the inverters. If I did it over again, I don't think there would be any reason to use a "hybrid" inverter for my situation. A standard off-grid inverter (that can work in parallel) should do.
  2. I'd love to. Problem is, with the 1km supply wire from the grid being undersized, an AVR is just going to draw even more amps to make up for the voltage difference, which seems to be asking for trouble. Does that make sense? (I think most people would replace the 1km supply wire, but I sympathize with the owner, who wants to aim for solar instead of shelling out the money for bigger supply wire.)
  3. For the record, I described this option incorrectly. When choosing SBU, solar power is used when it is sufficient. If not, then battery power will be used to make up the difference. Utility (grid) power is only used when the battery voltage drops too low. The inverter also has priority options to select the source of power for charging the battery. With my inverter, I can choose a priority of solar or utility power, simultaneous use of both, or exclusively solar. In this section of the manual, I spotted the reason for my frustrations with this inverter (and probably many similar in
  4. I was about to buy it, and then I realized that I really need a charger that has a wide operating voltage range. This one says 200-230(?) volts. If I'm charging 50v x 60A, that's 3000W, or around 13 amps. At that load, my grid voltage might drop below 170v, maybe around 150v. So I think I better look for a power supply that's not too fussy with input voltage.
  5. It might. One thing that concerns me: I see no mention of an input voltage, and the only amp rating (60A) is in the part of the description that talks about a 27v output (which doesn't make sense since you have 3 options for output voltage to select from when purchasing: 48, 53.5, and 58v). Makes me wonder if the input is 27V(dc?), and the output can be selected at 48, 53.5, or 58 volts. Of course, I need an input of 220v.
  6. I need a 48v battery charger (output up to at least 57v for LiFePO4) that can provide a constant charge to a LiFePO4 battery bank of up around 50 to 60 amps DC. In other words, I want to be able to inputting around 2500-3000 watts into the batteries. I will be drawing off these batteries with an inverter at the same time, so this charger needs to be able to run 24/7 (not shutting off after a preset number of hours/minutes). For those of you who have shopped around quite a bit in Thailand, do you know of any sources of 48v battery chargers (or DC power supplies that can output up to
  7. In recent months I purchased a 5KVA 48V (Suoer) hybrid inverter. Sometimes when I have had to shut it down to do some maintenance and then re-connected the (LiFePO4) 48V battery to the inverter, I get a 09 Fault/error when I turn the inverter on, and it will not power up. (I now understand that this inverter uses the same board that many other makes of inverters use--confirmed by the fact that the user's manual for this model is virtually identical to a 5KVA model made by Voltronic (Axpert), etc.--so that's one reason I'm hoping that perhaps someone reading this post might have also experience
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