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Brands/Genmax

Genmax

Genmax is a generator manufacturer known for innovation, quality, and a diverse range of portable and standby generators.

Genmax logo - trademark of Genmax
HQ: Ningbo, China
Website

About Genmax

Genmax has swiftly established itself in the generator manufacturing landscape, recognized for its commitment to innovative and high-quality power solutions. The company's portfolio ranges from portable generators ideal for camping and emergency home use to larger standby units suitable for commercial applications. Genmax's focus on efficiency and convenience makes their products a favorite among diverse market segments.

Warranty & Support

Genmax offers robust warranty coverage for their generators, underscoring their confidence in product quality. Portable models typically come with standard warranties that cover essential repairs and parts, while standby units might include more extensive coverage. The brand is dedicated to customer satisfaction, providing timely support through various channels, including online resources and hotlines.

Reputation & Quality

The reputation of Genmax is anchored in the reliability and durability of its generators. Users appreciate the quiet operation and fuel efficiency of their products, crucial features for residential and RV usage. While praised for their design and performance, some customers have noted initial setup challenges, especially for first-time users. However, Genmax mitigates these with detailed manuals and responsive support.

Who Should Consider Genmax?

  • Homeowners seeking dependable standby power
  • Campers and RV users who value quiet, portable generators
  • Small businesses needing reliable backup power solutions
  • Consumers who prioritize fuel efficiency and noise reduction
C – Average (60/100)

Chinese Dinking Power brand, growing US presence since 2010. CR-tested units show strong power quality. Support is inconsistent; some models mislabeled on wattage.

Compare Genmax to:

Genmax vs WENGenmax vs Champion Power EquipmentGenmax vs WestinghouseGenmax vs FirmanGenmax vs PulsarGenmax vs A-iPowerGenmax vs DuroMaxGenmax vs Predator

Genmax Buying Guides

Best 2000 Watt Generators of August 2026

Best 2000 watt generators for August 2026 — every model in the 2000W class compared by noise, runtime, fuel efficiency, and value to help you pick the right...

8 FAQs23 min read
Read the guide

Best Generators Under $500 of August 2026

Best generators under $500 for August 2026 — top-rated budget picks compared by power, features, warranty & value per watt.

8 FAQs24 min read
Read the guide

Best Whole House Generators of 2026

Best whole house generators of 2026 — tri-fuel and large portable models rated for full-home backup during outages. Expert picks from 10,000W to 15,000W.

8 FAQs26 min read
Read the guide

Generators

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Uses the best known offer price (sale price when available).
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Starting watts
Noise & weight
Helps narrow for RV/quiet (dB) and portable (weight).
Product type
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      Features
        Outlets
          Matches generators that have at least one of the selected outlet types.

          0 generators found

          • Genmax 3,200W Gas Generator

            Genmax 3,200W Gas Generator

            Model GM3500Xi
            3200W • 66 dBA • 57.3 lbs
            Score 3.5/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 3200
            • Noise: 66 dBA
            • Peak watts: 3500
            • Weight: 57.3 lbs
            • Fuel: Gasoline
            • Runtime @50%: 8.5 h
            View details
          • Genmax 2,500W Gas Generator

            Genmax 2,500W Gas Generator

            Model GM2800iAE
            2500W • 62 dBA • 54 lbs
            Score 4.0/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 2500
            • Noise: 62 dBA
            • Peak watts: 2800
            • Weight: 54 lbs
            • Fuel: Gasoline
            • Runtime @25%: 10 h
            View details
          • Genmax 1,800W Gas Generator

            Genmax 1,800W Gas Generator

            Model GM2200i
            1800W • 58 dBA • 41.9 lbs
            Best offer from Amazon.com: $349.99
            Score 5.6/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 1800
            • Noise: 58 dBA
            • Peak watts: 2200
            • Weight: 41.9 lbs
            • Fuel: Gasoline
            • Runtime @50%: 6 h
            View details
          • Genmax 1,000W Gas Generator

            Genmax 1,000W Gas Generator

            Model GM1200i
            1000W • 58 dBA • 25.3 lbs
            Score 4.7/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 1000
            • Noise: 58 dBA
            • Peak watts: 1200
            • Weight: 25.3 lbs
            • Fuel: Gasoline
            • Runtime @50%: 6.5 h
            View details
          • Genmax 3,200W Dual-Fuel Generator

            Genmax 3,200W Dual-Fuel Generator

            Model GM3500iAED
            3200W • 62 dBA • 56.2 lbs
            Best offer from Walmart.com: $899.00
            Score 5.3/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 3200
            • Noise: 62 dBA
            • Peak watts: 3500
            • Weight: 56.2 lbs
            • Fuel: Dual-Fuel
            • Runtime @25%: 9 h
            View details
          • Genmax 7,600W Gas Generator

            Genmax 7,600W Gas Generator

            Model GM9000iE
            7600W • 62 dBA • 233.7 lbs
            Best offer from Northern Tool: $2,229.99
            Score 4.1/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 7600
            • Noise: 62 dBA
            • Peak watts: 9000
            • Weight: 233.7 lbs
            • Fuel: Gasoline
            • Runtime @50%: 10 h
            View details
          • Genmax 3,000W Gas GeneratorSale

            Genmax 3,000W Gas Generator

            Model GM3300i
            3000W • 62 dBA • 47.4 lbs
            Best offer from Amazon.com: $499.99
            Score 4.7/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 3000
            • Noise: 62 dBA
            • Peak watts: 3300
            • Weight: 47.4 lbs
            • Fuel: Gasoline
            • Runtime @50%: 4.5 h
            View details
          • Genmax 5,000W Gas Generator

            Genmax 5,000W Gas Generator

            Model GM5500i
            5000W • 62 dBA • 116.6 lbs
            Score 3.7/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 5000
            • Noise: 62 dBA
            • Peak watts: 5500
            • Weight: 116.6 lbs
            • Fuel: Gasoline
            • Runtime @50%: 8.5 h
            View details
          • Genmax 1,200W Gas Generator

            Genmax 1,200W Gas Generator

            Model GM1600iBC
            1200W • 58 dBA • 25.4 lbs
            Score 4.3/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 1200
            • Noise: 58 dBA
            • Peak watts: 1600
            • Weight: 25.4 lbs
            • Fuel: Gasoline
            • Runtime @50%: 6.5 h
            View details
          • Genmax 5,500W Tri-Fuel Generator

            Genmax 5,500W Tri-Fuel Generator

            Model GM6250iET
            5500W • 66 dBA • 102.6 lbs
            Score 5.2/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 5500
            • Noise: 66 dBA
            • Peak watts: 6250
            • Weight: 102.6 lbs
            • Fuel: Tri-Fuel
            • Runtime @25%: 10 h
            View details
          • Genmax 3,800W Gas Generator

            Genmax 3,800W Gas Generator

            Model GM4600iAEFIC
            3800W • 63 dBA • 58.4 lbs
            Best offer from Northern Tool: $1,199.99
            Score 3.5/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 3800
            • Noise: 63 dBA
            • Peak watts: 4600
            • Weight: 58.4 lbs
            • Fuel: Gasoline
            • Runtime @25%: 9 h
            View details
          • Genmax 1,600W Gas Generator

            Genmax 1,600W Gas Generator

            Model GM2000i
            1600W • 58 dBA • 34.2 lbs
            Score 4.3/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 1600
            • Noise: 58 dBA
            • Peak watts: 2000
            • Weight: 34.2 lbs
            • Fuel: Gasoline
            • Runtime @50%: 8 h
            View details
          • Genmax 13,000W Tri-Fuel Generator

            Genmax 13,000W Tri-Fuel Generator

            Model GM15000ET
            13000W • 76 dBA • 242 lbs
            Best offer from Amazon.com: $1,899.99
            Score 5.4/10
            0.0/5•0 reviews
            • Inverter: No
            • RV Ready: Yes
            • Rated watts: 13000
            • Noise: 76 dBA
            • Peak watts: 15000
            • Weight: 242 lbs
            • Fuel: Tri-Fuel
            • Runtime @50%: 11 h
            View details
          • Genmax 4,000W Dual-Fuel Generator

            Genmax 4,000W Dual-Fuel Generator

            Model GM5500XiD
            4000W • 68 dBA • 68 lbs
            Best offer from Sam's Club™: $549.00
            Score 4.0/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 4000
            • Noise: 68 dBA
            • Peak watts: 5500
            • Weight: 68 lbs
            • Fuel: Dual-Fuel
            • Runtime @25%: 11 h
            View details
          • Genmax 5,250W Dual-Fuel Generator

            Genmax 5,250W Dual-Fuel Generator

            Model GM6000iED
            5250W • 63 dBA • 117.9 lbs
            Best offer from Walmart.com: $999.00
            Score 4.8/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 5250
            • Noise: 63 dBA
            • Peak watts: 6000
            • Weight: 117.9 lbs
            • Fuel: Dual-Fuel
            • Runtime @50%: 8.5 h
            View details
          • Genmax 8,500W Tri-Fuel Generator

            Genmax 8,500W Tri-Fuel Generator

            Model GM10500iETC
            8500W • 64 dBA • 244.7 lbs
            Best offer from Amazon.com: $2,299.99
            Score 5.1/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 8500
            • Noise: 64 dBA
            • Peak watts: 10500
            • Weight: 244.7 lbs
            • Fuel: Tri-Fuel
            • Runtime @25%: 14 h
            View details
          • Genmax 13,500W Tri-Fuel Generator

            Genmax 13,500W Tri-Fuel Generator

            Model GM17000iETC
            13500W • 63 dBA • 313 lbs
            Best offer from Amazon.com: $4,999.99
            Score 4.4/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 13500
            • Noise: 63 dBA
            • Peak watts: 17000
            • Weight: 313 lbs
            • Fuel: Tri-Fuel
            • Runtime @25%: 14 h
            View details
          • Genmax 5,250W Gas Generator

            Genmax 5,250W Gas Generator

            Model GM6000XiE
            5250W • 70 dBA • 106.9 lbs
            Best offer from Sam's Club™: $699.00
            Score 3.9/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: No
            • Rated watts: 5250
            • Noise: 70 dBA
            • Peak watts: 6000
            • Weight: 106.9 lbs
            • Fuel: Gasoline
            • Runtime @50%: 9 h
            View details
          • Genmax 7,800W Tri-Fuel Generator

            Genmax 7,800W Tri-Fuel Generator

            Model GM10500XiT
            7800W • 74 dBA • 123.5 lbs
            Best offer from Amazon.com: $1,399.99
            Score 5.3/10
            0.0/5•0 reviews
            • Inverter: Yes
            • RV Ready: Yes
            • Rated watts: 7800
            • Noise: 74 dBA
            • Peak watts: 10500
            • Weight: 123.5 lbs
            • Fuel: Tri-Fuel
            • Runtime @25%: 13.5 h
            View details