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You can't spend time on this forum and remain unaware of the dangers. Therefore your post about complacency is misplaced, the irony is you posted it this thread.

Thanks I asked because I also have a gas furnace as my secondary and a combined 30k BTU's of mini split units as my primary. On 12/23 we hit -2F up here near the Poconos and both systems were blowing enough heat. I was surprised because I plan to add another 12K unit. I considered my systems...

Curious why you have go secondary at 25F?

https://www.ocregister.com/2023/01/09/us-safety-agency-to-consider-ban-on-gas-stoves-amid-health-fears/

A seedling heating mat draws about 20 watts and could be plugged into WiFi outlet plug which allows for control from anywhere. You can get both for around $40

Are you asking if the inverter output has to be the same or close to the battery capacity?

What are the 2 black boxes between the busbars and the inverters? T class fuse?

I'm doing something kind of similar but I'm a newb and not an electrician so I can't offer a solution. However your situation brings a couple questions to mind. Is it possible to run the backup power to the sub panel equipped with an interlock to lock out power coming from the main panel...

I'd install the inverter and batteries in the bunkie. Leave the generator hooked up to the main panel and run the AC power out from the inverter to the main panel connected to a breaker with an interlock. In the states 14/2 wire is rated for 15 amps 12/2 for 20 amps.

Maybe a core insulated concrete block structure with some good ventilation as a cheap solution. Add a small solar powered fan to exhaust heat build up and keep the air moving.

Maybe you just want something like this, if AC when the grid is down is your biggest concern. https://signaturesolar.com/eg4-hybrid-ac-dc-solar-air-conditioner-1-ton/

I see we both worked in commercial construction. Retired after 35 years in a Philly trade union. I assume most people have not worked with metal studs and probably will try to source them at home depot. So the selection is as limited as there experience with metal studs. It sounds like the...

I believe it allows you to transfer/switch the output from 2 input power sources. In the picture it appears the switch is being used to select between solar power and grid power input to power a heat pump.

Celsius Network's bankruptcy might have just set a precedent in determining what crypto assets belong to whom when stored on a centralized platform. https://www.axios.com/2023/01/04/celsius-bankruptcy-earn-accounts

I'm stacking 2 Trophy 220ah batteries vertically. 60" high x 20" length x 10" wide. So I'm fitting 440ah of 48v batteries in a 20" x 10" footprint. Taking advantage of height and the ability to use the batteries in the vertical position.

Just an FYI: The metal studs in the pics I posted are NOT load bearing. They do make structural metal studs that are load bearing but I imagine they are a little pricey.

With these 3 tools you can build just about anything out of metal studs A pair of tin snips A screw gun Locking C Clamp If you just want to build a box If you want to frame the inside walls of your plastic shed

Graphics and logos :ROFLMAO:

Metal studs, Hardi Board and Rockwool

You said you wanted to know how many watts a charger consumed so you could size a generator.

Here's the specs from a 40a charger Charge Voltage 57.6.4V Max Output Current 40A Wattage 2500W Floating Voltage 54.4V

My 48 v charger puts out 58.4 v x 5 A = 290 W 95% efficiency

Did you try to power a 240v pump with an inverter that outputs 120v?

The MHP15048A and MHP15060A units require a 50 amp breaker

https://www.wsj.com/articles/are-vaccines-fueling-new-covid-variants-xbb-northeast-antibodies-mutation-strain-immune-imprinting-11672483618?mod=djemalertNEWS

Victron MultiPlus 24/3000/70-50 120V VE.Bus Inverter Charger $1388 on Amazon Chins battery 24v 100AH $300 on Amazon Less than $200 over budget

I've been dealing with Chinese manufacturers for the last 16 years. In my industry manufacturers will send us "performance videos"of the products we buy. If I had a dollar for every "performance video" that did not match the product we received I'd be very rich. Our industry pools enough money...

Clicked the link and it says Not Found. It's probably better for you to buy a battery instead of trying to build one, until you learn how to source parts based on something besides price.

Welcome from another newcomer. Post up specs, pictures, wiring diagram...as much info as possible so more experienced folks can offer suggestions.

Germany’s Federal Network Agency, a watchdog that regulates electricity and gas in the country, said the plan would allow the power grid operators to remotely limit people’s use of heat pumps and electric car chargers next winter without the user’s consent...

https://nypost.com/2022/12/24/joe-rogan-guest-siddharth-kara-reveals-dark-side-of-cobalt/

I would say higher BTUs based on having 2 units. One unit (Innovair 12K) is just slightly larger than needed for it's zone while the other unit (Daikin 18K) is slightly under sized for it's zone. The outdoor unit that is a little bigger than what's required for the zone, runs less than 1/2 as...

Lost power for 10 minutes yesterday. It's 6 degrees outside now and surprisingly the mini split is keeping it at 70.

A 3000 watt 12v inverter hooked up to my car battery always served as our first line of back up. It can power a space heater or window AC unit. Obviously it's a short term fix but affordable, quick and easy to get going in a pinch. Later I added 2 - 100 lbs propane tanks to give myself heating...

Seems like it belongs here....