Wattstanding

Appliance guide

What size power station or generator runs a garage door opener?

Typical watts for a garage door opener, and every power station and generator in our catalog that can run it.

By Wattstanding Editorial · Updated 1 Oct 2026

The short answer

A typical garage door opener needs about 550 W running and up to 1,100 W to start, averaging about 11 W over time. A full day needs roughly 311 Wh of battery.

The load and who can run it

ItemTypical valueBasis
Running watts550 Wtypical planning value
Starting watts1,100 Wtypical planning value
Duty cycle2%share of time drawing power
Average draw11 Wrunning watts × duty cycle

Only runs for a few seconds per open or close.

Power stations that can run it (64)

Power stationCapacityAC outputCan it start it?Runtime on a full chargePrice seen
PECRON E300LFP Portable Power Station 600W 288Wh (E300LFP-1)288 Wh600 WCheck surge22.3 h$179
BLUETTI Elite 30 V2 Portable Power Station288 Wh600 WCheck surge22.3 h$250
BLUETTI EB3A Portable Power Station268 Wh600 WCheck surge20.7 h$299
Dabbsson 600L Portable Power Station768 Wh600 WCheck surge2.5 days$299
EcoFlow RIVER Portable Power Station288 Wh600 WCheck surge22.3 h$349
EcoFlow RIVER 2 Pro Portable Power Station768 Wh800 WCheck surge2.5 days$349
Dabbsson 1000L Portable Power Station1,008 Wh1,200 WYes3.2 days$386
FlashFish T1200S Portable Power Station768 Wh1,200 WYes2.5 days$390
OUPES Exodus 700 Portable Power Station576 Wh700 WCheck surge44.5 h$399
PECRON F1000LFP Portable Power Station 1500W 960Wh960 Wh1,500 WYes3.1 days$399
BLUETTI AC180 Solar Portable Power Station1,152 Wh1,800 WYes3.7 days$449
Anker SOLIX C1000 Portable Power Station - 1056Wh (A17611Z1)1,056 Wh1,800 WYes3.4 days$470
VTOMAN Jump 1800 V-BEYOND Portable Power Station 1408Wh New Version1,408 Wh1,800 WYes4.5 days$486
BLUETTI Elite 100 V2 Portable Power Station1,024 Wh1,800 WYes3.3 days$489
BLUETTI Elite 100 V2 Bio-based1,024 Wh1,800 WYes3.3 days$499
EcoFlow DELTA 3 Classic Portable Power Station (1024Wh)1,024 Wh1,800 WYes3.3 days$499
Togo Power INFINITY 600（560Wh/600W）Power Station560 Wh600 WCheck surge43.3 h$500
Anker SOLIX C1000 Gen 2 Portable Power Station - 1,024Wh (A17631A1)1,024 Wh2,000 WYes3.3 days$500
FlashFish T2000 Portable Power Station1,536 Wh2,000 WYes4.9 days$560
EcoFlow DELTA 3 Portable Power Station1,024 Wh1,800 WYes3.3 days$599
Dabbsson DBS1300 Portable Power Station1,330 Wh1,200 WYes4.3 days$599
Dabbsson DBS1000 Pro Portable Power Station1,024 Wh2,400 WYes3.3 days$619
Dabbsson 2000L power station2,048 Wh2,200 WYes6.6 days$649
EcoFlow DELTA 3 Plus Portable Power Station1,024 Wh1,800 WYes3.3 days$669
Anker SOLIX S2000 Portable Power Station 2 (AS220111)2,010 Wh1,500 WYes6.5 days$700
Togo Power MASTER 1000（808Wh/1000W）Power Station808 Wh1,000 WCheck surge2.6 days$750
BLUETTI 1,500W 900Wh900 Wh1,500 WYes2.9 days$799
Dabbsson DBS2100 Pro Portable & Home Back Up Power Station2,150 Wh2,400 WYes6.9 days$799
Renogy PowerStation 20002,048 Wh2,400 WYes6.6 days$849
EcoFlow DELTA 3 Max Portable Power Station (2048Wh)2,048 Wh2,400 WYes6.6 days$879
Wattstanding calculationWattstanding calculation — runtime = capacity × 85% ÷ (running watts × duty cycle). Showing the 30 lowest-priced of 64 qualifying stations.

Generators that can run it (157)

GeneratorRunningStartingCan it start it?FuelPrice seen
A-iPower AiPower GXS1500i 1500-Watt Gasoline Portable Inverter Generator1,200 W1,500 WYesGasoline$320
WEN 56125i 1250-Watt Gas-Powered Inverter Generator1,000 W1,250 WYesGasoline$334
WEN GN400iM RV-Ready 4000-Watt Open Frame Inverter Generator3,500 W4,000 WYesGasoline$375
Westinghouse Outdoor Power WGen3600v Generator - Stationary3,600 W4,650 WYesGasoline$399
A-iPower 4600W Portable Open-Frame Inverter Generator With CO Alert-SUA4600iF4,600 W4,600 WYesGasoline$399
A-iPower 2300 Watts Portable Inverter Generator With CO Alert SUA2301i1,800 W2,300 WYesGasoline$417
Westinghouse Outdoor Power WGen3600cv Generator3,600 W4,650 WYesGasoline$419
A-iPower 2600W Inverter Generator (SUA2600i)2,000 W2,600 WYesGasoline$449
A-iPower 2300W Portable Inverter Generator With CO Alert GXS2300i1,800 W2,300 WYesGasoline$450
A-iPower 2300W Dual Fuel Portable Inverter Generator With CO Alert SUA2301iD1,800 W2,300 WYesGasoline / Propane$465
WEN DF280iX 2800-Watt Dual Fuel Inverter Generator2,250 W2,800 WYesGasoline / Propane$480
WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator3,500 W4,000 WYesGasoline$480
Westinghouse Outdoor Power WGen3600DFv Generator - Dual Fuel4,650 W—YesGasoline / Propane$499
WEN DF472 4,750-Watt 120V/240V Dual Fuel Portable Generator3,800 W4,750 WYesGasoline / Propane$500
A-iPower 2300W Portable Dual Fuel Inverter Generator With CO Alert & 24h Run Time GXS2300iD1,800 W2,300 WYesGasoline / Propane$500
WEN 56235i 2350-Watt Portable Inverter Generator1,900 W2,350 WYesGasoline$510
Westinghouse Outdoor Power iGen2800 Inverter Generator2,800 W—YesGasoline$529
Westinghouse Outdoor Power WGen3600 Generator3,600 W4,650 WYesGasoline$529
Westinghouse Outdoor Power iGen2800c Inverter Generator2,800 W—YesGasoline$549
Westinghouse Outdoor Power WGen3600c Generator3,600 W4,650 WYesGasoline$549
A-iPower 4300W Portable Inverter Generator With CO Alert & Llluminated SUA4300i3,450 W4,300 WYesGasoline$550
WEN 56360i 3600-Watt RV-Ready Portable Inverter Generator2,900 W3,600 WYesGasoline$554
WEN 56432i 4500-Watt Inverter Generator3,600 W4,500 WYesGasoline$555
WEN 56235iX 2350-Watt Portable Inverter Generator1,900 W2,350 WYesGasoline$574
Westinghouse Outdoor Power iGen2200 Inverter Generator2,200 W—YesGasoline$579
Westinghouse Outdoor Power iGen2200c Inverter Generator2,200 W—YesGasoline$579
Westinghouse Outdoor Power iGen2550DFc Inverter Generator - Dual Fuel2,300 W1,900 WYesGasoline / Propane$579
WEN GN400iX RV-Ready 4000-Watt Open Frame Inverter Generator3,500 W4,000 WYesGasoline$585
Westinghouse Outdoor Power iGen2800DFc Inverter Generator - Dual Fuel2,800 W1,800 WYesGasoline / Propane$599
A-iPower 4300W Dual Fuel Inverter Generator With CO Alert & Llluminated SUA4300iD3,450 W3,900 WYesGasoline / Propane$600

Total your own list with the appliance load & runtime calculator.

Questions readers ask

How many watts does a garage door opener use?
A typical one runs on about 550 W and can need 1,100 W to start; averaged over time it draws about 11 W. Check your own nameplate.
How many watt-hours do I need to run it for a day?
About 311 Wh of battery capacity for 24 hours, by our calculation (average draw × 24 h ÷ 85% efficiency).

Figures marked as Wattstanding calculations show their working; product figures come from the sources on each product page. How we work