How Many Watts Does a Refrigerator Use?
Estimate refrigerator watts, startup surge, and backup runtime for generators, power stations, and outage planning in U.S. homes.
Read guidePlanning guides
Backup Power Guides
Use these practical guides with the calculators to estimate household loads, battery runtime, generator size, solar charging time, and outage backup needs. Every page is a planning estimate, not a safety guarantee.
52 guide pages and 8 calculators are available in this release.
Device wattage guides
Common household devices and practical wattage ranges for backup estimates.
How Many Watts Does a Freezer Use?
Plan freezer backup power with typical running watts, startup surge ranges, runtime examples, and practical outage tips.
Read guideHow Many Watts Does a Sump Pump Use?
Estimate sump pump running watts, startup surge, and backup power needs for outage planning and storm preparation.
Read guideHow Many Watts Does a Well Pump Use?
Estimate well pump wattage, motor surge, and backup power needs for generators and home outage planning.
Read guideHow Many Watts Does a Furnace Blower Use?
Estimate furnace blower watts, startup surge, and backup runtime for gas furnace fans during power outages.
Read guideHow Many Watts Does a Window AC Use?
Estimate window air conditioner watts, startup surge, and runtime for generators, solar batteries, and outage planning.
Read guideHow Many Watts Does a Portable AC Use?
Estimate portable air conditioner power use, surge needs, and runtime for generators and portable power stations.
Read guideHow Many Watts Does a CPAP Use?
Estimate CPAP power use for battery backup planning, including humidifier impact, inverter losses, and overnight runtime.
Read guideHow Many Watts Does a Wi-Fi Router Use?
Estimate Wi-Fi router and modem watts for UPS, power station, and home outage internet planning.
Read guideHow Many Watts Does a Desktop Computer Use?
Estimate desktop PC power use for office, gaming, UPS, and portable power station runtime planning.
Read guideHow Many Watts Does a Laptop Use?
Estimate laptop charging watts and battery backup runtime for remote work, travel, and outage planning.
Read guideHow Many Watts Does a TV Use?
Estimate TV power use by size and display type for generator, UPS, and portable power station planning.
Read guideHow Many Watts Does a Microwave Use?
Estimate microwave input watts for generator and inverter planning, including the difference between cooking watts and power draw.
Read guideHow Many Watts Does a Coffee Maker Use?
Estimate drip coffee maker and single-serve brewer watts for portable power stations, generators, and RV power planning.
Read guideHow Many Watts Does a Space Heater Use?
Estimate electric space heater watts and why resistance heating is difficult for batteries, generators, and outage plans.
Read guideHow Many Watts Does an Electric Blanket Use?
Estimate electric blanket power use for camping, outage comfort, UPS, and portable power station planning.
Read guideHow Many Watts Does a Phone Charger Use?
Estimate phone charger watts, USB fast charging power, and how many phone charges a power station can provide.
Read guideHow Many Watts Do LED Lights Use?
Estimate LED bulb, lamp, and room lighting watts for home outage, camping, generator, and battery backup planning.
Read guideOutage planning guides
Home outage planning pages for different durations, seasons, and living situations.
24-Hour Power Outage Plan
Estimate essential loads for a 24-hour outage, including refrigerator, lights, phones, internet, and basic comfort devices.
Read guide48-Hour Power Outage Plan
Build a practical two-day outage estimate for refrigerators, lighting, internet, phones, and limited comfort loads.
Read guide72-Hour Power Outage Plan
Estimate backup power for a three-day outage with practical priorities, battery sizing notes, generator considerations, and solar limits.
Read guideApartment Power Outage Backup
Plan apartment-friendly backup power for phones, lights, internet, laptop use, and compact food storage without using a fuel generator indoors.
Read guideHouse Power Outage Backup
Estimate essential backup loads for a house, including refrigeration, lighting, internet, sump pump, garage access, and seasonal comfort.
Read guideWinter Power Outage Backup
Estimate winter outage power for communications, lighting, furnace support loads, small comfort devices, and cold-weather battery limits.
Read guideSummer Power Outage Backup
Estimate summer outage backup power for refrigerators, fans, phones, internet, and heat-related comfort loads without assuming full-home air conditioning.
Read guideStorm Power Outage Checklist
Use this storm outage checklist to prioritize essential loads, estimate backup runtime, and avoid common generator and battery mistakes.
Read guideFridge and Freezer Outage Plan
Estimate backup power for refrigerators and freezers during an outage, including startup surge, cycling, door openings, and runtime planning.
Read guideSump Pump Backup Plan
Estimate backup power for a sump pump during outages, including pump watts, surge, duty cycle, storm duration, and battery or generator planning.
Read guideHome Office Outage Backup
Estimate backup power for a home office, including laptop, monitor, router, modem, phone charging, and short UPS coverage.
Read guideRouter and Internet Backup
Estimate backup runtime for routers, modems, fiber terminals, mesh nodes, and hotspots during power outages.
Read guideMedical Device Backup Planning
Create a cautious backup power estimate for home medical devices such as CPAP equipment, chargers, and support electronics without treating it as medical advice.
Read guideSmall Generator Outage Plan
Estimate what a small portable generator can support during an outage, including refrigerators, lights, chargers, internet, and selected household loads.
Read guideBattery Station Outage Plan
Estimate how to use a portable power station during an outage for refrigerators, phones, lights, internet, laptops, and solar recharging.
Read guideRV Power Outage Backup
Estimate RV backup power for outages, including fridge, lights, fans, water pump, device charging, inverter loads, generator use, and solar charging.
Read guideBackup power explainers
Plain-English explainers for batteries, generators, solar charging, UPS runtime, and sizing tradeoffs.
Power Station vs Generator: Which Backup Option Fits Your Home?
Compare portable power stations and generators for outages, refrigerators, routers, camping, noise, fuel, runtime, and everyday backup planning.
Read guideUPS vs Power Station: Choosing Backup for Electronics and Appliances
Learn when to use a UPS or portable power station for computers, routers, modems, refrigerators, outage backup, and longer runtime needs.
Read guideSolar Generator vs Gas Generator for Home Backup
Compare solar generators and gas generators for outages, camping, refrigerators, indoor use, recharge time, fuel planning, and practical backup limits.
Read guide1000W vs 2000W Generator: What Can Each Size Run?
Compare 1000-watt and 2000-watt generators for refrigerators, camping, electronics, starting watts, and practical backup power planning.
Read guide1000Wh Power Station Runtime: What to Expect
Estimate how long a 1000Wh power station can run refrigerators, routers, lights, fans, CPAP machines, and camping loads after efficiency losses.
Read guide2000Wh Power Station Runtime for Outages and Camping
Plan runtime for a 2000Wh portable power station with refrigerators, routers, CPAP machines, fans, lights, and solar recharging.
Read guide300W Solar Panel Charge Time for Portable Power Stations
Estimate how long a 300W solar panel takes to charge portable power stations and batteries after sun hours, losses, shade, and controller limits.
Read guide400W Solar Panel Charge Time: Planning Realistic Recharge
Estimate 400W solar panel charge time for batteries and power stations with usable sun hours, charge losses, input limits, and weather.
Read guide100Ah Battery Runtime: Convert Amp-Hours to Useful Hours
Estimate 100Ah battery runtime for 12V loads, inverters, camping, refrigerators, and backup power after voltage, depth of discharge, and losses.
Read guide200Ah Battery Runtime for Backup and RV Power
Estimate 200Ah battery runtime for 12V and 24V systems, inverters, refrigerators, RV camping, and home backup essentials.
Read guideLiFePO4 vs Lead-Acid Batteries for Backup Power
Compare LiFePO4 and lead-acid batteries for backup power, usable capacity, weight, cycle life, voltage sag, charging, and storage planning.
Read guideInverter Efficiency and Backup Power Runtime
Learn how inverter efficiency, idle draw, AC loads, DC loads, and reserve settings affect battery runtime during outages and camping.
Read guideGenerator Starting Watts Explained for Home Backup
Understand starting watts, running watts, surge capacity, refrigerators, pumps, tools, and how to size a generator for backup loads.
Read guideBattery Reserve Percent Explained for Backup Runtime
Learn why battery reserve percent matters for portable power stations, UPS systems, outage planning, battery health, and realistic runtime estimates.
Read guideSolar Hours Explained for Battery Charging
Understand peak sun hours, panel watts, daily solar watt-hours, weather, shade, seasons, and how solar hours affect battery charging time.
Read guidePortable Power Station for a Refrigerator
Choose a portable power station for refrigerator backup by estimating starting watts, average watts, battery capacity, inverter losses, and runtime.
Read guideUPS for Router and Modem Runtime Planning
Estimate UPS runtime for routers, modems, mesh Wi-Fi, fiber ONTs, switches, and small network loads during internet and power outages.
Read guideBackup Power for a Camping Weekend
Plan battery, solar, and generator backup power for a weekend camping trip with fridges, lights, fans, phones, CPAP machines, and cooking loads.
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