How Many kWh of Battery Backup Does a House Need?
Compare 5–30 kWh home batteries, calculate backup power for 8–72 hours, and see how much storage your house needs based on appliances and square footage.
Backup power without the panic
Home backup doesn't have to be difficult
Rely less on the grid, make your power bills profitable, and keep your family prepared when it counts.
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From the blog
What Size Generator Do You Need to Run Central Air?
Learn how to size a generator for central air, compare 2–5 ton systems, understand startup demand, and see how a soft start can dramatically reduce compressor surge.
Anker SOLIX E10: Whole-Home Solar, Battery & Generator Backup
See how the Anker SOLIX E10 modular system combines solar, up to 90 kWh of battery storage, 10 kW Turbo power, and a tri-fuel generator for whole-home backup.
Sodium-Ion Batteries for Home Backup: Is Japan Building a Safer Option?
Japan is pushing next-gen sodium-ion batteries as early commercial systems reach the market. Here’s how they compare with lithium and when they could be practical for home backup.
How to Power a Refrigerator, Freezer & Furnace During an Outage
Learn how to power refrigerators and freezers with extension cords, safely back up a fuel-burning furnace, size your power source, and manage limited battery capacity.
Solar + Battery + Generator: How to Build a Home Backup System That Can Last for Days
A resilient backup system can use batteries for instant power, solar for daily recharging, and a generator for the gaps when stored energy and sunlight are not enough.
Backup Power for Oxygen Concentrators and CPAP During a Power Outage
How to size batteries, portable power stations, UPS systems, generators, and solar backup for essential home medical equipment
Plug-In Solar Panels: How They Work and Where They’re Legal in 2026
A homeowner’s guide to balcony solar, UL 3700, anti-islanding, electric-bill savings, and the fast-changing state laws governing plug-in solar systems.
Could AI Data Centers Raise Your Electric Bill or Increase Power Outage Risk?
AI data centers are consuming growing amounts of electricity. Learn how they could affect electric bills, grid reliability, and home backup planning.