










4500 Watt Inverter Generator Electronic Fuel Injection EFI Super Quiet Portable Gas Power Professional Use

Choose options
The Future of Fuel Efficiency
Tomahawk 4500 Watt Inverter Generators are designed for professional use. This generator provides robust, reliable power for construction sites and remote operations, with advanced inverter technology ensuring clean, stable power for sensitive electronics and heavy-duty equipment. The inclusion of EFI enhances fuel efficiency, improves start-up performance, and reduces emissions, making it ideal for OSHA working conditions. Tomahawk 4500 Watt Inverter Generators feature an electric start for effortless ignition, super quiet operation to minimize noise disruptions, and an ECO mode that maximizes fuel efficiency by adjusting the engine speed to match the load. Backed by a 2-year warranty, the TG4500iEFI guarantees durability and top-notch performance, supported by Tomahawk’s nationwide service centers and readily available spare parts
Features
- Advanced Electric Fuel Injection (EFI) Technology: Ensures superior fuel efficiency, reduced emissions, and smoother operation.
- 4500-Watt Power Output: Delivers reliable and consistent power for various applications, from emergency backup to outdoor activities.
- Electric Start Feature: Allows for easy, hassle-free startup with the simple push of a button, eliminating the need for manual pull starts.
- CO Alert Technology: Equipped with carbon monoxide detection, automatically shuts down the generator if harmful CO levels are detected, enhancing safety..
- Robust and Durable Construction: Built to withstand tough conditions, ensuring reliability and longevity in various environments.
- Fuel-Efficient Performance: Maximizes fuel economy, offering longer run times and reducing the need for frequent refueling.
- Quiet Operation: Designed to operate quietly, making it suitable for residential use without disturbing neighbors or wildlife
- User-Friendly Interface: Features intuitive controls for effortless operation and monitoring of generator performance.
- Versatile Power Solutions: Includes multiple outlets to accommodate a wide range of power needs, from tools and appliances to recreational devices.
- Low Oil Shutdown: Automatically turns off the generator to protect the engine from damage if the oil level is too low.
- Inverter Technology: Provides clean, stable power ideal for sensitive electronics, ensuring that your devices are protected against power surges.
- Overload Protection: Safeguards the generator and connected devices from damage due to overload, ensuring a safe power supply.
- Eco Mode: Optimizes fuel consumption for extended runtime and quieter operation, perfect for overnight use or in noise-sensitive areas.
- Compact and Portable Design: Easy to transport and store, perfect for camping, tailgating, job sites, and home backup power.
Specifications
- Engine: 159cc
- Voltage: 120V
- Amperage: 20A(120V)
- Running Amperage: 37.5A
- 120V Outlets: 2
- 120V Twist-Lock Outlets: 1
- Starting Watts: 4500w
- Rated Watts: 3800w
- Start Type: Electric, Remote, Manual
- Tank Capacity: 1.6 gal (6 liters)
- Run Time: 9hrs @ 1/4 load
- Oil Type: SAE10W-30
- Oil Capacity: .5 quarts
- Weight: 58.4lbs (26.5kg)
- Dimensions: 20.7×12.2×19.7 (540×310×500mm)
- Noise Level: 62 dBA
Package Includes
- TG4500i Generator
- Remote Control Starter
What is EFI?
EFI stands for Electronic Fuel Injection, a system used in internal combustion engines to inject fuel into the engine's cylinders. Unlike traditional carbureted systems, which rely on the vacuum created by the engine to pull fuel into the combustion chamber, EFI systems use electronic controls to precisely meter the fuel delivery based on various engine parameters. This precise control allows EFI systems to offer several advantages over carbureted systems, including:
- Improved Fuel Efficiency: By optimizing the fuel-to-air ratio for all operating conditions, EFI systems can reduce fuel consumption.
- Enhanced Engine Performance: EFI systems provide better throttle response, more power, and smoother acceleration by delivering the precise amount of fuel needed at any given moment.
- Reduced Emissions: EFI helps in lowering emissions by ensuring a more complete and efficient combustion process.
- Easier Starting: Engines with EFI start more easily and reliably, especially in cold conditions, because the system can adjust to the temperature and atmospheric conditions.
- Better Altitude Adaptation: EFI can compensate for changes in altitude, where the air density affects combustion, without the need for manual adjustments.
- Lower Maintenance: EFI systems generally require less maintenance than carbureted systems, as they have fewer parts that can become clogged or need adjustment.
EFI has become the standard in automotive engines due to these advantages and is increasingly common in smaller engines for motorcycles, power equipment, and even lawn mowers, offering improved efficiency and performance across a wide range of applications.
Applications
- Camping
- Recreational Use
- Construction
- Various Electronics
- Computers, Speakers
- Power Tools, Drills, Power Saws
- Outdoor and Indoor Lights
- Food trucks
Info and Guides
CARB Compliant
This product is CARB (California Air Resources Board) compliant, meeting strict air quality standards for safe and environmentally responsible use in California. This product meets the CARB exception for qualifying as construction equipment. For more information, please visit CARB's official website.
CA Proposition 65 Warning
⚠ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Refund Policy
Thanks for purchasing products at www.tomahawk-power.com operated by Tomahawk Power, LLC.
We offer a full money-back guarantee for all purchases made on our website shipping to the continental United States. If you are not satisfied with the product that you have purchased from us, you can get your money back no questions asked. You are eligible for a full reimbursement within 30 calendar days of your purchase.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Several types of goods are exempt from being returned including goods with hazardous materials or flammable liquids or gases.
Additional non-returnable items:
- Gift cards
- Downloadable software products
- Extended Warranties
- Expedited Shipping
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted (if applicable)
- Equipment and parts with obvious signs of use
- Equipment and parts that have been opened
- Any item not in its original condition, is damaged or missing parts for reasons not due to our error
- Any item that is returned more than 30 days after delivery
Refunds (if applicable)
Full reimbursement on your purchase is contingent on a full equipment inspection by a Tomahawk Power approved service center and/or Tomahawk Power representative. Reimbursement on items that are damaged, missing parts, not in the original condition, or have obvious signs of use for reasons not due to an Tomahawk Power or seller error may change due to shipping and restocking costs.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again.
Then please contact us at sales@tomahawk-power.com.
You may contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted.
Sale and Used Items (if applicable)
Only regular priced items may be refunded, unfortunately sale items, used items, refurbished items, reconditioned items, and used items cannot be refunded.
Exchanges (if applicable)
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at sales@tomahawk-power.com and send your item to: Tomahawk Power, LLC, 1405 30th Street Ste F, San Diego, 92154, United States.
Gifts
If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.
If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.
Shipping
To return your product, you should mail your product to: Tomahawk Power, LLC, 1405 30th Street Ste F, San Diego, 92154, United States. For heavier equipment requiring a freight service, it is encouraged to work with Tomahawk Power to coordinate shipment and provide the appropriate documentation.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Depending on where you live, the time it may take for your exchanged product to reach you, may vary.
If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.
Items ordered and shipped outside of the continental United States are not eligible for a full money-back guarantee.
If you have any additional questions or would like to request a refund, feel free to contact us.
Warranty
Tomahawk Power Limited Warranty
LIMITED WARRANTY STATEMENT
Tomahawk Power stands behind the quality and craftsmanship of all its tools. Tomahawk Power warrants all products and parts sold by Tomahawk and our dealers/retailers to be free of defects in craftsmanship and product material. The warranty covers a period of 2 year from the date of purchase.
WHAT TOMAHAWK WILL REPAIR OR REPLACE UNDER WARRANTY
Tomahawk will repair or replace, at its option, any part that is proven to be defective in material or craftsmanship under normal use during the warranty period. Warranty repairs and replacements will be made without charge for parts or labor. Defective parts are fully covered under Tomahawk Power’s warranty, at no charge. Tomahawk Power’s warranty provides access to service centers across the United States at no charge to the customer. Replacements & Refunds will take place once Tomahawk Power receives the item back. Replacement tools may take several days to re-deliver if the item is in stock. If the item is out of stock, another solution may take place. If you are not satisfied with your purchase please call or email to repair, replace or refund your order.
WARRANTY COVERAGE
General Equipment
• Gas-powered Equipment: 2-year commercial grade manufacturer warranty
• Electric-powered Equipment: 2-year commercial grade manufacturer warranty
• Battery-powered Equipment: 2-year commercial grade manufacturer warranty
• Tomahawk Portable Generators: 2-year commercial grade manufacturer warranty
• Welder Generators: 2-year commercial grade manufacturer warranty
• Janitorial Equipment: 2-year commercial grade manufacturer warranty
• Material Handling Equipment: 2-year commercial grade manufacturer warranty
• Spare Parts and Accessories: 30-day warranty
Specific Equipment
• Tomahawk Generators: 2-year equipment warranty, 2 year engine warranty
• Tomahawk 90 Kilo Plate Compactors: 2-year product warranty and 10-year baseplate warranty
WARRANTY EXCLUSIONS
This warranty does not cover the following:
• Normal wear and tear items, such as filters, spark plugs, belts, and hoses.
• Damage caused by lack of maintenance or improper maintenance.
• Use of non-genuine parts and accessories. • Modifications or alterations to the product without the consent of Tomahawk.
• Damage caused by misuse, abuse, or neglect.
• Incidental or consequential damages.
Examples of Actions That Void the Warranty
• Running any Tomahawk equipment that has a pump without liquid or water, which will damage internal seals.
• Running any Tomahawk engines without oil. (2-stroke engines require a 50:1 oil gas mixture.)
• Using a chemical in the sprayer tank with a high-viscosity and not cleaning the tank afterward, leading to pump seal damage due to crystallization of the chemicals.
• Using any of the equipment around saltwater without proper storage, leading to rust and wear.
HONDA ENGINE WARRANTY
All Honda engine warranties fall under the 3-year commercial grade warranty of Honda.For service on Honda engines, please visit: Honda Engines Service
For nearby Honda engine service centers, please visit: Honda Dealer Locator
OWNER’S RESPONSIBILITY
To ensure warranty coverage, the owner must:
• Maintain the product as specified in the operator’s manual.
• Notify an authorized Tomahawk service dealer of any defect within a reasonable time after discovery.
• Provide proof of purchase to the servicing dealer.
WARRANTY SERVICE
Warranty service is available at any authorized Tomahawk service dealer.
If you need assistance, contact us at (855) 922-5991 or support@vantelivinginnovations.com
LIMITATION OF IMPLIED WARRANTIES AND OTHER REMEDIES
To the extent allowed by law, any implied warranties, including the merchantability and fitness for a particular purpose, are limited in duration to the express warranty period. Tomahawk disclaims all incidental and consequential damages. Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitations may not apply to you.
HOW STATE LAW APPLIES
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
CONTACT INFORMATION
If your product experiences technical issues, you may file a claim by contacting Tomahawk Power, LLC at:
Phone: (866) 577-4476
Email: support@tomahawk-power.com
Online: Service Request
Date of Last Revision: 02/18/2026