WATTGRIDLAB
Printable Engineering Reference

Master Appliance Running Wattage, LRA Surge & Battery Chart

Bookmark or print this storm-binder reference sheet. Every row lists continuous running wattage, Locked Rotor Amp (LRA) peak startup surge, NEMA plug configuration, realistic thermal duty cycle, minimum recommended generator wattage (+20% NEC buffer), and 8-hour LiFePO4 battery capacity accounting for 85% inverter × 90% DoD conversion losses.

CategoryAmps / PlugDuty Cycle
3-Ton Central Air Conditioner (240V + Soft-Start)RV & Climate3,100W5,400W12.92A @ 240V (14-50P)55%5,400W17,831 Wh
120V Inverter MIG / Flux-Core Welder (140A)Shop & Mobile Rigs2,100W2,850W17.5A @ 120V (5-20P)25%2,850W5,491 Wh
1 HP Submersible Well Pump (240V)Pumps & Heating1,900W5,200W7.92A @ 240V (L14-30P)15%5,200W2,981 Wh
Portable Induction Cooktop (1800W)Fridge & Kitchen1,800W1,850W15A @ 120V (5-15P)35%2,160W6,589 Wh
10-Inch Portable Jobsite Table SawShop & Mobile Rigs1,800W3,800W15A @ 120V (5-15P)25%3,800W4,706 Wh
1750W Countertop Air Fryer & OvenFridge & Kitchen1,750W1,750W14.58A @ 120V (5-15P)25%2,100W4,576 Wh
Heated Carpet / Auto Upholstery ExtractorShop & Mobile Rigs1,750W2,600W14.58A @ 120V (5-20P)55%2,600W10,066 Wh
15,000 BTU High-Output RV Rooftop ACRV & Climate1,680W3,900W14A @ 120V (TT-30P)65%3,900W11,420 Wh
6-Gallon Jobsite Air CompressorShop & Mobile Rigs1,650W3,500W13.75A @ 120V (5-20P)40%3,500W6,902 Wh
12-Inch Sliding Compound Miter SawShop & Mobile Rigs1,650W3,400W13.75A @ 120V (5-15P)20%3,400W3,451 Wh
1800 PSI Electric Pressure WasherShop & Mobile Rigs1,550W3,100W12.92A @ 120V (5-15P)40%3,100W6,484 Wh
1000W Countertop MicrowaveFridge & Kitchen1,500W1,800W12.5A @ 120V (5-15P)15%1,800W2,353 Wh
1500W Rapid-Boil Electric KettleFridge & Kitchen1,500W1,500W12.5A @ 120V (5-15P)15%1,800W2,353 Wh
1,500W Ceramic Space Heater (High)RV & Climate1,500W1,550W12.5A @ 120V (5-15P)100%1,800W15,687 Wh
Countertop Air Fryer (1500W Basket)Fridge & Kitchen1,500W1,500W12.5A @ 120V (5-15P)25%1,800W3,922 Wh
Hair Dryer / Blow Dryer (1500W Low/High)RV & Climate1,500W1,500W12.5A @ 120V (5-15P)15%1,800W2,353 Wh
Keurig / Single-Serve Coffee MakerFridge & Kitchen1,450W1,500W12.08A @ 120V (5-15P)15%1,740W2,275 Wh
13,500 BTU RV Rooftop AC (Standard)RV & Climate1,450W3,400W12.08A @ 120V (TT-30P)65%3,400W9,857 Wh
15A Wet/Dry Shop Vacuum (6.5 Peak HP)Shop & Mobile Rigs1,440W2,900W12A @ 120V (5-15P)45%2,900W6,777 Wh
13,500 BTU RV Rooftop AC (With Soft-Start)RV & Climate1,420W1,950W11.83A @ 120V (TT-30P)65%1,950W9,653 Wh
3/4 HP Cast-Iron Sump PumpPumps & Heating1,350W3,600W11.25A @ 120V (5-15P)25%3,600W3,530 Wh
Home Espresso Machine with Steam Wand (1350W)Fridge & Kitchen1,350W1,450W11.25A @ 120V (5-15P)15%1,620W2,118 Wh
2.5-Gallon Pancake Air CompressorShop & Mobile Rigs1,200W2,600W10A @ 120V (5-15P)35%2,600W4,393 Wh
Countertop Toaster Oven (1200W)Fridge & Kitchen1,200W1,200W10A @ 120V (5-15P)20%1,440W2,510 Wh
1/2 HP Sewage Ejector PumpPumps & Heating1,150W3,200W9.58A @ 120V (5-15P)15%3,200W1,804 Wh
1/2 HP Deep Well Jet Pump (240V)Pumps & Heating1,100W2,900W4.58A @ 240V (L14-30P)20%2,900W2,301 Wh
Corded Upright Household Vacuum Cleaner (1100W)Shop & Mobile Rigs1,100W1,600W9.17A @ 120V (5-15P)20%1,600W2,301 Wh
1/2 HP Submersible Sump PumpPumps & Heating1,050W2,800W8.75A @ 120V (5-15P)25%2,800W2,746 Wh
Instant Pot / Electric Pressure Cooker (1000W)Fridge & Kitchen1,000W1,000W8.33A @ 120V (5-15P)25%1,200W2,615 Wh
SDS-Plus Corded Rotary Hammer DrillShop & Mobile Rigs980W1,850W8.17A @ 120V (5-15P)30%1,850W3,075 Wh
10,000 BTU Dual-Hose Portable Room Air ConditionerRV & Climate980W2,200W8.17A @ 120V (5-15P)55%2,200W5,637 Wh
12,000 BTU Inverter Mini-Split Heat PumpRV & Climate950W1,150W7.92A @ 120V (5-15P)55%1,150W5,465 Wh
Dual-Action Car Polisher (15mm / 21mm)Shop & Mobile Rigs900W1,350W7.5A @ 120V (5-15P)55%1,350W5,177 Wh
2-Slice Pop-Up Bread Toaster (850W)Fridge & Kitchen850W850W7.08A @ 120V (5-15P)15%1,020W1,334 Wh
1/3 HP Submersible Sump PumpPumps & Heating800W2,100W6.67A @ 120V (5-15P)20%2,100W1,674 Wh
RV 55-Amp Onboard 12V Converter / ChargerRV & Climate780W880W6.5A @ 120V (TT-30P)50%936W4,079 Wh
Ceramic Space Heater (750W Low / Eco)RV & Climate750W800W6.25A @ 120V (5-15P)80%900W6,275 Wh
8,000 BTU Window Air ConditionerRV & Climate720W2,100W6A @ 120V (5-15P)60%2,100W4,518 Wh
Natural Gas Furnace Blower (1/2 HP PSC)Pumps & Heating650W1,600W5.42A @ 120V (5-15P)45%1,600W3,059 Wh
Electric Rice Cooker & Food Warmer (650W)Fridge & Kitchen650W650W5.42A @ 120V (5-15P)25%780W1,700 Wh
Countertop Kitchen Blender (600W / 1000W Surge)Fridge & Kitchen600W1,000W5A @ 120V (5-15P)15%1,000W942 Wh
1/2 HP Smart Garage Door OpenerOffice & Network580W1,400W4.83A @ 120V (5-15P)15%1,400W910 Wh
1/2 HP Kitchen Sink Garbage DisposalFridge & Kitchen560W1,350W4.67A @ 120V (5-15P)15%1,350W879 Wh
Sump-Room Dehumidifier (50-Pint)Fridge & Kitchen540W1,450W4.5A @ 120V (5-15P)65%1,450W3,671 Wh
Baby Bottle Warmer (500W Steam)Medical & Essential500W500W4.17A @ 120V (5-15P)15%600W785 Wh
Energy Star Clothes Washing Machine (500W)Pumps & Heating500W1,200W4.17A @ 120V (5-15P)50%1,200W2,615 Wh
Oil Boiler Burner & Hydronic CirculatorPumps & Heating480W1,150W4A @ 120V (5-15P)45%1,150W2,259 Wh
1/4 HP Garage Sump / Utility Transfer PumpPumps & Heating460W1,200W3.83A @ 120V (5-15P)50%1,200W2,406 Wh
Workstation / Gaming Desktop PC + Dual 4K MonitorsOffice & Network460W620W3.83A @ 120V (5-15P)75%620W3,608 Wh
Wood Pellet Stove (Igniter, Auger & Fan)Pumps & Heating450W550W3.75A @ 120V (5-15P)45%550W2,118 Wh
5,000 BTU Bedroom Window Air ConditionerRV & Climate450W1,250W3.75A @ 120V (5-15P)50%1,250W2,353 Wh
Natural Gas Furnace (Variable-Speed ECM)Pumps & Heating420W650W3.5A @ 120V (5-15P)55%650W2,416 Wh
5 LPM Home Oxygen ConcentratorMedical & Essential360W750W3A @ 120V (5-15P)100%750W3,765 Wh
35-Pint Bedroom & Crawlspace DehumidifierRV & Climate360W850W3A @ 120V (5-15P)50%850W1,883 Wh
Home Oxygen Concentrator (350W Continuous)Medical & Essential350W560W2.92A @ 120V (5-15P)100%560W3,661 Wh
Natural Gas / Propane Clothes Dryer (120V Drum & Igniter)Pumps & Heating350W900W2.92A @ 120V (5-15P)75%900W2,746 Wh
Kitchen Stand Mixer (325W Tilt-Head)Fridge & Kitchen325W550W2.71A @ 120V (5-15P)15%550W510 Wh
Nursery Bottle Warmer & Wi-Fi Video MonitorMedical & Essential320W340W2.67A @ 120V (5-15P)20%384W670 Wh
Portable Evaporative Swamp CoolerRV & Climate280W620W2.33A @ 120V (5-15P)85%620W2,489 Wh
20V Dual-Port Power Tool Battery ChargerShop & Mobile Rigs260W300W2.17A @ 120V (5-15P)65%312W1,768 Wh
Slow Cooker / Crock-Pot (6-Quart 250W)Fridge & Kitchen250W250W2.08A @ 120V (5-15P)65%300W1,700 Wh
26 cu. ft. French Door RefrigeratorFridge & Kitchen220W1,200W1.83A @ 120V (5-15P)40%1,200W921 Wh
50-Gallon Aquarium Heater, Canister Filter & Air PumpRV & Climate220W260W1.83A @ 120V (5-15P)45%264W1,036 Wh
Gaming Console (PlayStation 5 / Xbox Series X) + TVOffice & Network200W240W1.67A @ 120V (5-15P)75%240W1,569 Wh
14 cu. ft. Upright Deep FreezerFridge & Kitchen190W1,050W1.58A @ 120V (5-15P)35%1,050W696 Wh
Secondary Sump Pump 12V Battery Backup Charger (180W)Pumps & Heating180W220W1.5A @ 120V (5-15P)50%220W942 Wh
Self-Regulating Pipe Freeze Protection Heat Tape (30 ft)Pumps & Heating180W210W1.5A @ 120V (5-15P)70%216W1,318 Wh
65-Inch OLED Smart TV + SoundbarOffice & Network165W210W1.38A @ 120V (5-15P)80%210W1,381 Wh
Heated Electric Blanket / Mattress Pad (150W)Medical & Essential150W150W1.25A @ 120V (5-15P)50%180W785 Wh
Starlink Standard Dish (Snow Melt Active)Office & Network145W175W1.21A @ 120V (5-15P)90%175W1,365 Wh
Tankless Gas Water Heater (Igniter & Fan)Pumps & Heating140W260W1.17A @ 120V (5-15P)25%260W367 Wh
Energy Star 18 cu. ft. Top-Freezer FridgeFridge & Kitchen140W850W1.17A @ 120V (5-15P)35%850W513 Wh
Medical Alternating-Pressure Air Mattress & BedMedical & Essential130W380W1.08A @ 120V (5-15P)50%380W680 Wh
Countertop Nugget & Bullet Ice Maker (120W)Fridge & Kitchen120W360W1A @ 120V (5-15P)50%360W628 Wh
7 cu. ft. Chest FreezerFridge & Kitchen110W750W0.92A @ 120V (5-15P)30%750W346 Wh
Powered Medical Lift Chair ReclinerMedical & Essential110W240W0.92A @ 120V (5-15P)15%240W173 Wh
BiPAP / VPAP MachineMedical & Essential105W150W0.88A @ 120V (5-15P)90%150W989 Wh
Home Medical Nebulizer MachineMedical & Essential100W180W0.83A @ 120V (5-15P)25%180W262 Wh
Modern Variable-Inverter RefrigeratorFridge & Kitchen95W260W0.79A @ 120V (5-15P)45%260W448 Wh
Septic System Linear Aerator Air Pump (95W)Pumps & Heating95W210W0.79A @ 120V (5-15P)100%210W994 Wh
High-Velocity Box / Pedestal Circulation Fan (90W)RV & Climate90W160W0.75A @ 120V (5-15P)85%160W800 Wh
CPAP with Heated Humidifier & Heated TubeMedical & Essential85W120W0.71A @ 120V (5-15P)85%120W756 Wh
Beverage & Wine Cooler Refrigerator (85W)Fridge & Kitchen85W280W0.71A @ 120V (5-15P)35%280W312 Wh
Whole-Floor LED Emergency Lighting (8 Bulbs)Office & Network80W95W0.67A @ 120V (5-15P)90%96W753 Wh
Compact Mini Fridge (4.4 cu. ft.)Fridge & Kitchen75W480W0.63A @ 120V (5-15P)35%480W275 Wh
Powered Stairlift ChargerMedical & Essential75W140W0.63A @ 120V (5-15P)40%140W314 Wh
Radon Mitigation Inline Vent Fan (75W)Pumps & Heating75W140W0.63A @ 120V (5-15P)100%140W785 Wh
Home PoE Security NVR + 6 CamerasOffice & Network68W95W0.57A @ 120V (5-15P)100%95W712 Wh
Laptop Workstation (100W USB-C PD)Office & Network65W100W0.54A @ 120V (5-15P)65%100W442 Wh
Family 6-Port Phone, iPad & Watch USB-C Charging Hub (65W)Office & Network65W65W0.54A @ 120V (5-15P)50%78W340 Wh
Refrigerated Medication & Insulin CoolerMedical & Essential60W180W0.5A @ 120V (5-15P)55%180W346 Wh
True HEPA Room Air PurifierMedical & Essential60W90W0.5A @ 120V (5-15P)85%90W534 Wh
5kW Diesel Air Heater (12V / 120V Supply)RV & Climate55W180W0.46A @ 120V (5-15P)70%180W403 Wh
Starlink Standard Dish (Snow Melt Off)Office & Network55W85W0.46A @ 120V (5-15P)85%85W489 Wh
4-Bay RAID NAS Server + 2.5GbE SwitchOffice & Network52W115W0.43A @ 120V (5-15P)95%115W517 Wh
Cool Mist Ultrasonic Room HumidifierMedical & Essential45W45W0.38A @ 120V (5-15P)80%54W377 Wh
CPAP Machine (No Heated Humidifier)Medical & Essential35W60W0.29A @ 120V (5-15P)100%60W367 Wh
Electric Breast Pump (Hospital-Grade / Double)Medical & Essential35W45W0.29A @ 120V (5-15P)25%45W92 Wh
Fiber ONT + Wi-Fi 6E Mesh RouterOffice & Network28W45W0.23A @ 120V (5-15P)100%45W293 Wh
Automated Self-Cleaning Cat Litter Box (Litter-Robot)Office & Network25W40W0.21A @ 120V (5-15P)15%40W40 Wh