mciholas's latest activity

That is not how it works when PV is available. The MPPTs make the panel voltages into the desired voltage for the AC inverter (usually...

Solar Sovereign says "In Stock". When I emailed them about that, they said: "We get these directly from the manufacturer and they...

It doesn't record 1 second data at all unless you are actively watching it in the app. It gives you a 1 second resolution file with the...

97.5% per the spec sheet. A string inverter will be as good as a microinverter. They both do the same job, PV to AC, so why wouldn't...

I don't think that is right. Let's analyze PV directly to grid: A string inverter going from PV input to AC output is way better than...

Amazon sells these things they call "solar panel testers". An example...

When is that required? I'll be interested in your results. Mike C.

Reviving this old thread since I hit this roadblock recently. Florida law: 212.08(7)(hh): "Solar energy systems.—Also exempt are...

They say "UL Certificate" but then only show a CE one, and suspiciously, they have blurred out much of the information including the...

Price listed is $1333. Capacity is 3.552 KWH. Doing the math... $375/KWH. That's double the cost of Ruixu. The system requires a...

The Solis S6-EH1P11.4K-H-US looks awesome. No fans, has a built in AC bypass switch (very handy for my use case), good certs, high...

It seems most DIN stuff is not UL rated. The European stuff all looks so much nicer than what we can buy here in the USA. Seems so...

Price and quality are only loosely related. Spending more doesn't assure you get more. The Midnite unit has the perfection of not yet...

Given a residential roof array in Florida with Tigo TS4-A-S rapid shutdown devices, does that satisfy NEC 690.13? That is, I don't need...

That usually means they didn't pass FCC conducted emissions (electrical noise on the wires) with the filtering internal to the unit...

You can find an outlier panel that has a fault, but if all the panels age the same, and age worse than the warranty, comparing panels to...

Then, this one? https://www.alibaba.com/product-detail/SPH-10000TL-HU-US-growatt-120_1601062029478.html $1450 plus $82 for shipping...

On Alibaba with a few listings, a typical one...

Spec sheet...

I'm shopping for panels (450W class, know any deals?) and was putting a lot of weight on the power performance warranty percentage and...