Solar Guppy

Those were made in 2012 so everything about that seller is sketchy. You should aim for 300-400W panels for less than $50, otherwise you...

https://www.ul.com/news/ul-9540-energy-storage-system-ess-requirements-evolving-meet-industry-and-regulatory-needs

Call and make an appointment with the permit reviewer, they work for you on your tax dollars, be polite and professional but NOT scared...

Done it three times You need PE stamped plans showing single line drawing, all data sheets for racking and components , letter the roof...

This seems a misunderstanding of the statutes ( really English ) as this paragraph is not new and I have pulled permits in 2020 that the...

It is part of NEC2020 code which Georgia adopted so you have to have UL9540 listed for battery backup

NEC2020 requires UL9540 listed ESS systems ( paired inverter and battery ) no other ( legal ) options, which GA is one of...

This ^^^^ If you are the homeowner, you can do any permitted work in Florida, you just can't do this for others, that requires licensed...

Even if PVC is allowed on the roof (not sure if it is), it gets sunburned. I'd suggest using PVC just for underground. And it is used...

FWIW, for 6+ years I have worked on HEV batteries with resting voltages as high as 320VDC. I rarely wear any protection as dexterity is...

Build a roof over them to keep the rain off.

I backed less than 100 watts for maybe 15 minutes and got a call.

You're buying a warranty. How long will SS/EG4 be around?

The wattage you have is for AC loads , but the energy comes from the DC batteries. Ohms law is Power = Volts * Amps, so one takes your...

BHU has added a TON of LIFEPO4 cells in recent time. I remember they were all like 100% 18650 or cell packs. Now it seems like there's a...

Be careful, there's almost nothing more permanent than a temporary solution.

They were ~$380 each just over a week ago on FleaBay ( DC house were ~$360 same time ). Eco-worthy has new sales every week, so pays to wait

As drawn you could have a load of 550 amps on the 12 Volt battery, that is basically an impossible load to support.

Lower price doesn't matter much anymore because we're buying PV panels for $0.20/W in the US (think they're $0.10/W in China). Cost is...

scratched or cracked cell shouldn't have any measurable effect on solar harvest