How to choose the size of your portable generator:

Identify the items you need to power and determine the total wattage for all the items you will use.

Choose a generator that powers up to 90% of your needs. If you need some help tallying up the wattage, please use our Generator Size Calculator.

What size generator do I need?

Onan P2500i Portable Generator
Onan P2500i Portable Generator

Peak Watts:  2500  |  Running Watts:  2200  |  Noise Level:  52 dB

Great for:

  • Small Appliances
  • Tailgating
  • Electronics
  • Camping
Onan P4500i Portable Generator
Onan P4500i Portable Generator

Peak Watts:  4500  |  Running Watts:  3700  |  Noise Level:  52 dB

Great for:

  • Medium Appliances
  • Camping
  • RV Use
  • Motor Sports
Onan 9500 Dual Fuel Portable Generator
Onan 9500 Dual Fuel Portable Generator

Peak Watts:  9500 Gas, 8550 Propane  |  Running Watts:  7500 Gas, 6750 Propane  |  Noise Level:  74 dB

Great for:

  • Large Appliances
  • Food Trucks
  • Home Emergency Backup
  • General Contractor Work
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