Hello there! Are you tired searching for the best 12500 watt portable generator but could not able to find the right one? Worry not readers, because in this article, we have covered everything you need to know before buying the 12500 watt portable generator online. Keep Reading!
Choosing the best 12500 watt portable generator can be a tough job, especially when you are looking for one that suits your budget. Therefore, we have listed the top 10 12500 watt portable generator available at best prices with all the latest demanding features catering to your needs. We have analysed each and every product and have shared detailed information about them. Based on our personal review, we found this Conntek 80SS2-GYBX 50 Amps 125/250 Volts Power Inlet Box, For Generators Up to 12,500 Watts, Grey Cap best in our list. However, if you are looking for a product with a cheaper price, then you can check out Reliance Controls TTV2005C Panel/Link Transfer Panel with Meters (50A/200A) which is equally good with good reviews. We are very much sure that you’ll be able to make a wiser decision in buying the Top 12500 watt portable generator by going through the exclusive list mentioned below.
All the products listed in this guide are good in their own way. You simply have to pick one that you feel delivers on the best performance. Let us get right into them already. Check the quick reviews below.
Best 12500 watt portable generator

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DuroMax New_XP12000E Gas Powered Portable Generator-12000 Watt-Electric Start-Home Back Up & RV Ready, 50 State Approved Generator
DuroMax New_XP12000E Gas Powered Portable Generator-12000 Watt-Electric Start-Home Back Up & RV Ready, 50 State Approved Generator
Features
- Powerful DuroMax Engine: the XP12000E is powered by a DuroMax 457cc DuroMax OHV engine.
- Plenty of power: with 12, 000 starting watts and 9, 500 running watts, This unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools.
- MX2 TECHNOLOGY: With DuroMax MX2 technology, get the maximum power from each of the 120 Volt receptacles; Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power
- LOW OIL SHUT-OFF: Protects your investment by automatically shutting the generator off when it senses that the oil is low.
- IDLE CONTROL: Generator lowers RPMs when not in use, saving fuel and reducing noise. Ideal in situations like on job sites where power is used intermittently.
Westinghouse WGen9500 Heavy Duty Portable Generator 9500 Rated 12500 Peak Watts, Gas Powered, Electric Start, WGen9500, Transfer Switch & RV Ready, CARB Compliant
Westinghouse WGen9500 Heavy Duty Portable Generator 9500 Rated 12500 Peak Watts, Gas Powered, Electric Start, WGen9500, Transfer Switch & RV Ready, CARB Compliant
Features
- 9500 Running Watts and 12500 Peak Watts; Remote Start With Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6.6 Gallon Fuel Tank With Fuel Gauge
- Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, One RV Ready 120/240V 14–50R, and Two 5V USB Ports; All Outlets Have Rubber Covers for Added Safety
- Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter
- Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network
DuroMax New XP12000E Generator, Blue & Conntek 1450SS2-15 50 Amp Temp Power Generator Cord, 15 Feet, Black
DuroMax New XP12000E Generator, Blue & Conntek 1450SS2-15 50 Amp Temp Power Generator Cord, 15 Feet, Black
$1,135.95 out of stock
Features
- Product 1: POWERFUL DUROMAX ENGINE: The XP12000E is Powered by a DuroMax 18HP, 457cc DuroMax OHV Engine
- Product 1: PLENTY OF POWER: With 12,000 starting watts and 9,500 running watts, this unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools
- Product 1: MX2 TECHNOLOGY: With DuroMax MX2 technology, get the maximum power from each of the 120 Volt receptacles; Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power
- Product 1: LOW OIL SHUT-OFF: Protects your investment by automatically shutting the generator off when it senses that the oil is low.
- Product 2: Plug (Male): NEMA 14-50P, 50-Amps, 125/250-Volts, 15 feet
Reliance Controls TTV2005C Panel/Link Transfer Panel with Meters (50A/200A)
Reliance Controls TTV2005C Panel/Link Transfer Panel with Meters (50A/200A)
Features
- Offers circuit breaker combinations of 50A for generators and 200A for utility
- Interlocked breakers keep generator isolated from utility at all times
- Services generators up to 12,500 watts
- May be used as main indoor panel or to feed a sub-panel
- Includes provisions for thirty-six branch circuits
Reliance Controls PB50 50-Amp (CS6375) NEMA 3R Power Inlet Box,Gray
Reliance Controls PB50 50-Amp (CS6375) NEMA 3R Power Inlet Box,Gray
$79.99 in stock
4 used from $69.98
Features
- For indoor or outdoor use with specific transfer switches, manual transfer panels and generator-ready load centers
- Outdoor, raintight NEMA 3R non-metallic power inlet box
- Maximum generator running watts: 12,500
- Maximum generator input: 50A@125/250VAC
- Intended for use with 8 AWG 75 degrees C insulated wire
Westinghouse WGen7500 Portable Generator with Remote Electric Start – 7500 Rated Watts & 9500 Peak Watts & Champion 25-Foot 30-Amp 250-Volt Generator Power Cord for Manual Transfer Switch
Westinghouse WGen7500 Portable Generator with Remote Electric Start - 7500 Rated Watts & 9500 Peak Watts & Champion 25-Foot 30-Amp 250-Volt Generator Power Cord for Manual Transfer Switch
Features
- Product 1: Features Two GFCI (Ground Fault Circuit Interrupter) 5-20R 120V Household Duplex Receptacle and One L14-30R 120/240V Twist-Lock Receptacle; All Outlets Have Rubber Covers for Added Safety
- Product 1: Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User's Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
- Product 1: Powered by a 420cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter. Noise Level-72 dBA
- Product 1: All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and or Fuel Odor; EPA and CARB Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network
- Product 2: Powerful – Connect the locking outlet on your generator to the manual transfer switch on your home and extend up to 30 amps of power
Conntek 80SS2-GYBX 50 Amps 125/250 Volts Power Inlet Box, For Generators Up to 12,500 Watts, Grey Cap
Conntek 80SS2-GYBX 50 Amps 125/250 Volts Power Inlet Box, For Generators Up to 12,500 Watts, Grey Cap
$32.95 in stock
Features
- Configuration: NEMA CS6375 or SS2-50P
- For Use With Generators Up to 12,500 Running Watts
- 4 Knockouts @ 0.85 inches
- Grey Cap for Additional Personalization
- Recommended Cord Series: TES1450, 1450SS2 & TE6381
VEVOR Generator Extension Cords 50Amp 50ft 125/250V, Backfeed Cord with NEMA SS2-50P to CS6364 Twist Lock, Generator to House Power Transfer Cord STW 6/3 + 8/1 for Outdoor,Trailer,Motorhome,Camper
VEVOR Generator Extension Cords 50Amp 50ft 125/250V, Backfeed Cord with NEMA SS2-50P to CS6364 Twist Lock, Generator to House Power Transfer Cord STW 6/3 + 8/1 for Outdoor,Trailer,Motorhome,Camper
Features
- Significant Parameters: Our generator cord's wire gauge is STW 6/3 + 8/1; the applicable voltage coverage runs between 125V and 250V. Its rated current is 50 amps and the maximum power it can take reaches up to 12500W. Plug (male) type is SS2-50P and receptacle (female) is CS6364.
- 50’ Long Cable: The 50' heavy-duty power cord gives you the extra length you need for your electronic essentials while traveling with your boats.
- Weatherproof Design: The threaded locking ring feature creates a weatherproof connection, ensuring further moisture protection for your 50 amp RV extension cord during outdoor use.
- Wide Application: Whether you’re connecting 50 amp generator cord from your generator, transfer switches, transfer panels or power boxes outside or inside this cord will do the job and give you that added reach when needed.
- Portable Design: Equipped with an adjustable duty cord organizer with carrying strap handle hanger makes it easy to keep extension cords hang neatly for storage.
Westinghouse iGen160s Portable Power Station 155Wh Backup Lithium Battery, 110V/100W AC Outlets, Solar Generator (Solar Panel Not Included)
Westinghouse iGen160s Portable Power Station 155Wh Backup Lithium Battery, 110V/100W AC Outlets, Solar Generator (Solar Panel Not Included)
$129.00 in stock
8 used from $85.50
Features
- VERSATILE OUTLETS CHARGE UP TO 9 DEVICES AT THE SAME TIME: Pushing 100 Rated Watts and 150 Peak Watts Through (2) 120V Household Outlets, (2) USB Ports, (1) Quick Charge USB Port, (1) USB-C Port, (3) 6mm 9-12V DC Outlets - Strong Enough to Easily Power a 36" LED TV, Box Fans, or Heated Blankets.Low voltage protection, short circuit protection, and overload protection protects the battery and connected devices to ensure peace of mind and reliability
- HOURS & HOURS OF POWER ON A SINGLE CHARGE: 155 Watt-Hours of Lithium-Ion Battery Capacity - Provides Long-Lasting Power That Charges Smartphones Up To 17 Times, Tablets Up to 9 Times, DSLR Cameras Up To 16 times, Drones Up To 23 Times - Delivers Hours of Power for a Nintendo Switch, Bluetooth Speakers, and GPS Systems
- SMALLEST, LIGHTEST PORTABLE POWER STATION IN ITS CLASS: At 3.75 lb. the iGen160s Is Lighter Than a Full 36 oz. Yeti Rambler and Smaller Than a Lunchbox - Backpack Ready Mini Generator With a Convenient Carrying Handle and Built-in Flashlight and Reading Lights - Perfect Compact Charging Station for Camping and Other Outdoor Activities
- CHARGES AT HOME, ON THE GO, OR IN THE FIELD: Charges to 80% in Less Than 6 Hours Using a Household Outlet or in Less Than 7 Hours in the Car or With a Solar Panel (Panel Not Included)
- ECO-FRIENDLY POWER GENERATOR: Reduce Your Carbon Footprint for More Sustainable Lifestyle - No Obnoxious Fumes, No Messy Maintenance, No Noise Pollution - Whisper Quiet Indoor and Outdoor Generator
Conntek 1450SS2-25 50 Amp Temp Power Generator Cord, 25-Feet, Black
Conntek 1450SS2-25 50 Amp Temp Power Generator Cord, 25-Feet, Black
5 used from $127.25
Features
- For Generator - 25-Foot Temp Generator 50 Amp Power Supply Cord
- Plug (Male): NEMA 14-50P (Straight Blade 50 Amps 125/250 Volts)
- Receptacle (Female): CS6364 (Locking 50 Amp 125/250 Volt)
- Rating: 50A 125/250V, Max Wattage: 12,500W
- Built to Last – 6/3 & 8/1 gauge STW and pure copper to avoid the cable getting overheating from long time use.
So, These are some of the best 12500 watt portable generator with all the major features that you must be looking for. Now you can easily pick out the best one based on your budget, needs and preferences. Still, if you found yourself confused about choosing the best product, then you can try this DuroMax New XP12000E Generator, Blue & Conntek 1450SS2-15 50 Amp Temp Power Generator Cord, 15 Feet, Black for more recommendations. Hope you enjoyed reading the article!