How much is a used inverter generator worth?

A used inverter generator typically fetches between $250–$1200, depending on its brand, wattage, age, and overall condition. High-quality, name-brand models from manufacturers like Honda or Yamaha, especially those in excellent working order with low hours, command the highest prices. Flipping an inverter generator can be highly profitable, particularly if it's acquired for free or very cheap, as minor repairs often yield significant returns due to their high demand for quiet, clean power.

Used inverter generator value range

Estimates only — actual resale depends on local secondary market demand and functional condition.

What drives resale value

• Brand Reputation & Power Output: Premium brands like Honda, Yamaha, and Generac hold their value exceptionally well due to reliability and quiet operation. Higher wattage (e.g., 3000W-5000W) and dual-fuel capabilities also increase appeal.
• Accessories & Features: Included parallel kits, protective covers, wheel kits, electric start, remote start, and fuel gauges add significant value. Low hours of operation, if verifiable, are also a major plus.
• Functional Testing & Wear: The generator's ability to start easily, run smoothly, and produce stable power is paramount. Check for visible damage, oil leaks, rust in the fuel tank, and the condition of the pull cord and outlets. A well-maintained engine means higher value.
• Seasonal Timing: Demand for inverter generators spikes before hurricane season, during camping season, or after major power outages. Selling strategically during these periods can yield higher prices.

Is a free inverter generator worth flipping?

Absolutely! A free inverter generator is often one of the best flipping opportunities on Freebox. Even if it's not running, common issues like a dirty carburetor, clogged fuel lines, a bad spark plug, or low oil are often simple and inexpensive fixes. The quiet operation and clean power of inverter generators make them highly sought after by campers, RV owners, and homeowners needing backup power, ensuring a ready market. Always check for a seized engine (try pulling the cord gently); if the engine isn't seized, the potential for profit is high.

How to flip a free inverter generator

1. Inspection checklist before loading:

   • Engine oil: Check the oil level and condition. Low/dirty oil is a common reason for non-starting.
   • Spark plug: Inspect for corrosion or carbon buildup.
   • Air filter: Look for debris or rodent nests.
   • Fuel tank: Check for old fuel, rust, or sludge. Note if it's full of old gas.
   • Pull cord: Ensure it pulls freely and doesn't feel seized.
   • Overall physical condition: Note any cracks, missing panels, or severe rust.

2. Cleaning / minor testing:

   • Thoroughly clean the exterior.
   • Change the oil and spark plug.
   • Drain old fuel, clean the fuel tank (if necessary), and add fresh, stabilized gasoline.
   • Clean or replace the air filter.
   • Attempt to start the generator. If it starts, test the outlets with a basic load (e.g., a light bulb or small fan) to confirm power output.

3. Good photos that sell quickly:

   • Take clear, well-lit photos from multiple angles.
   • Show it running if possible, especially with any included accessories.
   • Highlight key features (e.g., electric start, multiple outlets, brand logo).
   • Include a photo of the hour meter if it has one and reads low.

4. Pricing strategy on Facebook Marketplace / Craigslist:

   • Research comparable sold inverter generators in your area to gauge the market.
   • Start slightly higher than your target price to allow for negotiation.
   • Be honest and detailed in your description about its condition, what work was done (if any), and any known quirks.
   • Emphasize its "quiet operation," "clean power," and suitability for "camping," "RV," or "backup power."
   • Offer a demonstration if it's running.