# Home Backup Watts

> Real wattage math for power stations, home batteries & generators


## Posts

- [Can a Power Station Run a Space Heater or Electric Blanket? (Winter Outage Math)](https://homebackupwatts.com/can-a-power-station-run-a-space-heater/): A 1,500 W space heater drains a 1 kWh power station in about 35 minutes. An electric blanket lasts all night. Here is the math and safer ways to stay warm.
- [Can a Power Station Run a Microwave? Watts, Runtime and the Label Trick](https://homebackupwatts.com/can-a-power-station-run-a-microwave/): Yes, if the inverter covers the microwave's input watts, not its cooking watts. How to read the label, how many minutes you get, and which stations work.
- [Can a Power Station Run a Sump Pump? Surge, Runtime and Setup](https://homebackupwatts.com/can-a-power-station-run-a-sump-pump/): Yes, most 1,000 Wh power stations can start a 1/3 or 1/2 HP sump pump. Here is the surge math, real runtime during a storm, and how to wire it safely.
- [Best Power Station for CPAP: How to Size It (Worked Examples)](https://homebackupwatts.com/best-power-station-for-cpap/): How to size a power station for a CPAP machine in a power outage: real draw, DC vs AC, humidifier math, UPS mode, and worked examples.
- [Portable Power Station vs Whole-Home Battery vs Generator: Which Backup Do You Need?](https://homebackupwatts.com/power-station-vs-whole-home-battery-vs-generator/): An honest comparison of portable power stations, whole-home batteries like Powerwall, and generators: cost, runtime, safety, installation, and which fits your outage risk.
- [Can a Power Station Run a Refrigerator? How Long It Lasts (Real Runtime Math)](https://homebackupwatts.com/can-a-power-station-run-a-refrigerator/): How long a 1,000 Wh power station really runs a refrigerator in an outage, with the actual math, surge numbers, and tips to double your runtime.

## Pages

- [Free Outage Prep Guide](https://homebackupwatts.com/free-guide/): Know exactly what to keep on: a one-page checklist of typical running and start-up watts for fridges, CPAPs, sump pumps and more.
- [Home](https://homebackupwatts.com/): Plain-English guides to portable power stations, home batteries, generators and solar — tested against manufacturer specs, with the real wattage math.
- [Latest Guides](https://homebackupwatts.com/blog/)
- [Contact](https://homebackupwatts.com/contact/): Questions about a power setup, a correction, or a partnership? Use the form below and I'll reply within 2 business days.
- [About](https://homebackupwatts.com/about/): Home Backup Watts started after one too many outages. I'm Wade, an author who writes about batteries and home power.
- [Privacy Policy](https://homebackupwatts.com/privacy-policy/): Last updated: October 26, 2026. Operator: Home Backup Watts, run by Wade Wilson, contact form at /contact/.
- [Affiliate Disclosure](https://homebackupwatts.com/affiliate-disclosure/): Home Backup Watts is reader-supported. Some links on this site are affiliate links.


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