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4 votes
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Size and reliability of inverter for refrigerator in an off-grid tiny home

Searching for small- to medium-sized chest freezers on Home Depot I found that GE provides details on current draw for 5 cubic foot and 7 cubic foot models (140 and 200 liters, respectively). In ...
LShaver's user avatar
  • 11.9k
4 votes
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PV system: Which to upgrade first: panels, inverter, batteries?

I agree with LShaver's number-crunch, although I reach a slightly different conclusion. I agree you have plenty of inverter. Your are covered not only for routine loads, but also for startup ...
Harper - Reinstate Monica's user avatar
3 votes

PV system: Which to upgrade first: panels, inverter, batteries?

To give you specific recommendations to address your issue, you'll likely need to have a qualified electrician out to look at your system, or talk to the system vendor. However, here are a few general ...
LShaver's user avatar
  • 11.9k
3 votes

Designing an electrical off grid system for winter

If you live in an area with real winter like southern Finland (I use southern Finland as an example because in northern Finland there is polar night, i.e. absolutely zero sunshine even during the day ...
juhist's user avatar
  • 5,089
3 votes

Designing an electrical off grid system for winter

Reducing your loads is critical. On our sailboat there are always shaded portions of our flat solar panels [2x100 W] yet solar does it all: our 10 LED lights, 4 12 V fans, and 2 phones and laptops ...
Will Nirvana's user avatar
2 votes

Subsistence hunting and fishing in Alaska?

You will not be able to sustainably hunt and fish on land you actually own. You can't buy enough land unless you are wealthy. Hunter gatherer bands typically have hundreds of square miles per band, ...
Sherwood Botsford's user avatar
2 votes
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How can I install solar panels far from the regulator?

Shorter cables vs thicker cables Shorter cables are recommended because longer cables have higher resistances. A cable with a higher resistance will dissipate more power, reducing the total power ...
LShaver's user avatar
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2 votes
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Callibrate a battery monitor for a ~5yr old 360Ah solar panel installation

I ended up calibrating it to 310Ah, which corresponds to a 3% loss each year (360Ah * 0.97 ^ 5). I also had to tell the monitor when the batteries were at 100%, which I simply did not have a good ...
Amos Joshua's user avatar
2 votes

Can a solar inverter still work without batteries? (off-grid)

the short answer to your question is yes, that type of inverter does exist, they are very rare. The Delta model H6 (Thailand) is one example. A battery less grid tie inverter that is also advertised ...
Rudydoo's user avatar
  • 96
1 vote

Grid tied inverters that work during power outages

I'd like to find a way to have my array work when I need it most! You'll need to invest in a home battery bank. These batteries are built to simulate grid-like conditions by providing a constant ...
Robotnik's user avatar
  • 1,307

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