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A 2 kWh battery for outages
About 2 kWh with long-life LFP cells, rated for 6,000 cycles, and a 5-year warranty. Leave the fridge plugged into it and it takes over in about 15 ms when the power cuts out. It can't take extra batteries later.
*Price on the maker's US site when we checked on November 6, 2026; prices change often.
Pick your state. We run an EV, solar, a heat pump and backup power on your state's real prices, one switch at a time, so you can skip the ones that don't pay.
Showing Pennsylvania as an example.
A typical Pennsylvania home could save about $3,540 a year by going electric. Yours depends on your home and car.
Show my savings, switch by switchTypical home: the state's average electric bill, gas heat, hot water and stove, and a 25.5 mpg car driven 12,000 miles a year. Built on EIA and EPA data, updated October 15, 2026.
Start with one. Most people start with whatever they're replacing anyway.
Charging at home is like paying $1.44 a gallon. No more gas station stops.
See your charging cost
Make your own power for 25+ years and stop riding every rate hike.
See what you'd save
Kits start around $414. Plugs into an outlet. Great for renters.
Is it legal where you live?
Keep the fridge, Wi-Fi and lights on for about 15 hours when the grid goes down.
Find the right battery
The lights stay on automatically and silently, with no fuel to store.
Compare home batteries
One quiet machine heats in winter and cools in summer.
See if it saves you money
Boils water fast, wipes clean, and no gas burning in your kitchen.
See the numbers
Short trips without the car: no gas, no parking hunt, and it's fun.
See what it savesA real example
That's their electric bill, gas bill and gasoline today, against the same home with an EV, solar panels and electric heat, hot water and cooking. The car alone saves about $1,735 a year; solar up to $1,740.
Monthly energy spending for a typical Pennsylvania home. Solar assumes your utility credits all the power it makes.
Storms, heat waves, grid trouble. A battery at home keeps the fridge cold, the Wi-Fi up and your phone charged, with no noise and no fumes.
Disclosure: We may earn a commission if you buy through these links. It never changes our recommendations. How we make money.
Our pick for outage backup
A big battery at a fair price. Leave the fridge plugged into it and it takes over in a blink when the power cuts out.
*Price on the maker's US site when we checked on November 6, 2026; prices change often.
The doubts we hear most, answered with facts.
All myths, answeredNo sales pitch. Every figure links to where it came from.
From Electrek, CleanTechnica, InsideEVs and Solar Power World. Links open the original article.
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Photos: Unsplash (Unsplash License). Photo credits.