Search results

Sure. I have two Victron MultiPlus-II 3000VA inverters running in combined 240v mode. I also have a couple of victron autotransformers providing 120v output. I power one of the inverters with 120v from my generator during power outages. This provides some of the power; I have a limit on the...

An interesting side effect of having a flexible inverter/battery setup: I can run my enough of my home, including 240v well pump from a 3000 watt 120v inverter generator using an “assist” function of my inverters. Honestly I could likely run the house off the smallest Honda generator because...

Unfortunately it seems like timing (or luck) plays a roll in the cost of even 2 identical batteries. There appears to be a large demand for cells which is reflected in the rising prices for a bare cell.

I also want to mention one other thing. Inflation. Getting what you can now helps you lock in the price you pay per kWh when it’s generated by you. I do not expect retail power prices to go down; PG&E is supposed to raise rates in California by 20-40% in the next several years. Obviously...

I don’t know the differences between the brands, but probably either can use micro invert but it is not mandatory for either of them. You could use a string inverter if you prefer. probably mostly depends on how important warranty is to you and how “used” the used panels are. Can I use used...

I just noticed this, it’s kind of vague: The Sunny Island can be operated in a time-controlled manner using a timer function (like a clock timer), supplying power at a planned point in time. This function must be activated by using the parameter "510.02 InvTmOpEna".

Hedges, do you know if the SMA Data Manager M could facilitate time shifting if used with the Sunny Islands?

The EV is the wildcard I think though. If you charge primarily at home and have a long commute that can add up to a lot of kWh’s really quick. I drive about 500-600 miles per week. That’s commute plus everything else.

It depends on the server (and the workload). I ran a DL580 HP and at idle it used in the neighborhood of 500 watts. The servers that I have with out of band pull around 20 watts while “off”. UPS units have a parasitic draw even just on but powering No load. I have some Eaton 1000’s and a...

Thanks, didn’t realize titles were mutable ?

So only a 10x drop from ampster’s cost. Would need UL approval to improve adoption.

Yep 100kwh.

I have 24kw usable right now for about $6k - bought used.

I don’t have experience yet with any other brand to make a comparison at this point in time.

Agree with others, the EV is the biggest wildcard. Depending on driving patterns, the number of kw to recharge daily could be tiny or gigantic. If you tow regularly with an EV (say you have a repair business with a small trailer and a new ford lightning) then all bets are off. TFL trucks on...

Power companies would need to panic. At least the for profit power companies would. I wouldn’t even care about net metering, I’d just buy power from them when absolutely needed and run off a huge battery bank the rest of the time. It might help reverse the embedded utility monopoly that...

I have a dual 120v inverter system running in 240v mode along with the auto transformer and it works well. My system will eventually make it into an RV but it’s been a good training platform for me. I do wish they would offer more for residential installs in the US, their stuff seems fairly...

Same question as the title: anyone know why Victron is not pursuing the US residential market? Built a system for camper/RV, wondering why they don’t seem to want to get in the residential game here where I live.

This is what the panels are connected to. This is my proof of concept for my camper. Victron split phase system, 9.6kw/h conservative battery bank, 48v. Capacity testing one of the batteries:

I know this thread is kind of old, but I watched this last night and I came away impressed by fortress power. I had previous concerns similar to the OP of this post, but I feel much better having watched this. I also believe most raw cells are manufactured in China. Many things coming out...

You might want to consider an unloader valve. The compressor motor starts but it doesn’t immediately start working against the air in the tank. Once the motor is up to full speed the unloader can be closed, and now you have some flywheel effect working for you. You could either buy a valve or...

Is that documented? Maybe it is, but I did find this: "Maximum PV Array Power" It's listed under the charger section, but that's the only place where I can find a mention of PV power: https://www.growatt.es/upload/file/contents/2021/01/5ff923130f7e6.pdf. I would consider it to be a selling...

My original proof of concept system was 6 panels but I ended up expanding it out to 9 panels. I have security cam footage of the install so I thought I'd throw it up here for people to look at (and laugh LOL). REC 330 panels, Tigo Optimizers, and Tamarack frames. The wood is all 4x6 lumber...

I originally said I didn't think this would work, but now I'm not sure. I'm reading the doc and it's a bit confusing.

I don't know how you could logically prove this ^ to be a true statement. If this reasoning is pushed to the extreme, you might say "the same person who designed the hardware has to design the firmware at the same time". If you say, "well it doesn't have to be the same person but they need to...

Well I kept hearing a lot about solar and I thought I'd start playing around with it. I started out with a single Victron Multiplus II 3000, a Cerbo GX, a Lynx system (Shunt, bus, fuses), and 18 previously used e-bike batteries. I found out that people who do conduit for a living and do it...

It looks like this has been beaten to death, but I'll give my $0.02. It does seem really odd that to me that a US company would host a telemetry and/or control system in China...unless...read more below. I have some real world experience with servers in various parts of the world (including...

Hello Hedges (and everyone), I have been considering the purchase of 4 Sunny Island inverters through eBay. I currently own two Victron inverters and I am pretty comfortable with them and they seem to be working well. The reason I'm considering the purchase of the Sunny Island inverters is...