Tomahawk TG9000i 10500W Inverter Generator | E-Moto Charging, 120V/240V & Backup Power
Tomahawk TG9000i 10500W Inverter Generator | E-Moto Charging, 120V/240V & Backup Power
SKU: SKU:TG9000i
Tomahawk TG9000i 10500W Inverter Generator | E-Moto Charging, 120V/240V & Backup Power
Big Power Anywhere You Need It
The Tomahawk TG9000i Inverter Generator is for riders, race teams, professionals, and backup-power setups that have moved well beyond the limits of a small portable generator. With 8,500 rated watts, 10,500 starting watts, 120V and 240V output, advanced inverter technology, and less than 3% total harmonic distortion, this is a serious portable power source.
For e-moto riders, that 8,500W continuous output opens up a lot of possibilities. Instead of simply charging one bike, the TG9000i can support larger charging setups where multiple compatible e-moto chargers, pit equipment, lighting, tools, refrigeration, electronics, and other equipment may need power at the same time.
At the center of the TG9000i is a 458cc engine paired with a massive 6.9-gallon fuel tank. Runtime reaches up to 14.5 hours at quarter load, while Eco Mode helps adjust engine operation to the electrical demand. Despite its size and output, the generator is rated at just 62 dBA.
Super Quiet at 62 dBA
A generator this powerful doesn't have to sound like one. The TG9000i carries a listed 62 dBA noise rating, making it much easier to live with around race pits, campsites, jobsites, residential areas, food trucks, and other noise-conscious environments.
Eco Mode adjusts engine speed based on electrical demand. When your equipment isn't asking for the generator's full output, the engine can operate more efficiently, helping reduce unnecessary fuel consumption and noise.
Built to Move
At 233 lbs, this isn't a generator you're going to toss in the back of the truck by yourself. Tomahawk equips the TG9000i with wheels and a lifting arm to make moving it around the garage, trailer, race pits, barn, campsite, or jobsite considerably easier.
The generator itself measures 31 x 23 x 29 inches, giving you a substantial amount of output in a package that can still be transported where serious portable power is needed.
Power Your World
The TG9000i combines 120V and 240V output, GFCI protection, CO detection, overload protection, low-oil shutdown, and built-in surge protection in one high-output platform.
This makes it useful for considerably more than charging bikes. It can become the power hub for an entire track or camping setup, construction site, food truck, emergency backup system, or other compatible equipment.
120V & 240V Power
One of the biggest advantages of stepping up to the TG9000i is access to both 120V and 240V power. The generator supports 20A at 120V, 30A at 120V/240V, and 50A at 120V/240V connections, giving you significantly more flexibility for compatible equipment.
For e-moto charging, always verify the charger's required AC input before connecting it. Never connect a 120V-only charger to 240V. Some high-output chargers support 240V input, but compatibility needs to be confirmed with the charger manufacturer before use.
What Size Generator Do I Need for My E-Moto?
Choosing a generator for your e-moto is pretty simple: size it based on your charger, not your bike's motor. A 20kW e-moto does not need a 20,000W generator.
Quick Formula:
Charger Watts + Other Equipment + 20 to 30% Headroom = Recommended Generator Size
Example: If your e-moto charger uses 1,000W and you want another 300W available for lights, a fridge, phones, or other gear:
1,000W + 300W = 1,300W
Add about 25% headroom and you should look for roughly 1,600W or more of continuous/running output.
With 8,500W of rated continuous output, the TG9000i is far beyond what most single-bike charging setups require. This generator makes the most sense when you need to charge multiple bikes, operate high-output chargers, run a large pit or camping setup, or use the generator for additional professional and backup-power applications.
For sustained loads, calculate your available power using the generator's 8,500W rated output. The 10,500W starting output provides additional short-duration capacity and should not be treated as continuous charging power.
If your charger lists AC input voltage and amperage rather than watts, you can get a quick estimate using Volts x Amps = Watts. When available, use the charger's listed AC input wattage or manufacturer specifications for the most accurate number.
Charging Multiple E-Motos
This is where the TG9000i really starts to separate itself from smaller generators. With 8,500 rated watts, it can support much larger charging setups, provided the total electrical load stays within the generator's capabilities.
For example, four e-moto chargers drawing 1,500W each would create approximately a 6,000W continuous load. That would still leave rated generator capacity available for compatible lights, electronics, tools, refrigeration, or other equipment.
Three higher-output chargers drawing 2,000W each would also create a 6,000W load. The actual number of bikes you can charge simultaneously depends on the AC input requirements of the chargers, not simply the number of bikes or outlets available.
Always add the entire electrical load together and leave reasonable operating headroom rather than planning to continuously operate the generator at its maximum rated capacity.
Why Inverter Power Matters
The TG9000i uses advanced inverter technology and produces less than 3% total harmonic distortion. This provides clean, stable power for compatible e-moto chargers, computers, electronics, audio equipment, appliances, tools, and other sensitive devices.
That becomes especially important when one generator is powering thousands of dollars worth of bikes, chargers, computers, phones, and other electronics at the same time. Power quality matters just as much as having enough wattage.
Generator or Power Station?
Both can work for e-moto charging, but a generator this size serves a different purpose than most portable battery power stations. The TG9000i is built for high-output, extended-runtime applications where you can simply add fuel and continue generating power.
For portable battery power stations, check both the AC output wattage and battery capacity in Wh or kWh. Output determines whether the power station can run your charger. Capacity determines how much stored energy is available to put back into your bike, before accounting for normal conversion and charging losses.
Track, Camping & Emergency Use
If you're charging multiple e-motos or running other equipment at the same time, add everything together. Your chargers, lights, refrigerators, tools, compressors, speakers, electronics, and other equipment all contribute to the total load.
With 8,500 rated watts, 120V and 240V output, inverter technology, a 6.9-gallon tank, and up to 14.5 hours of runtime at quarter load, the TG9000i makes the most sense when you're building a complete mobile power setup rather than simply looking for the smallest generator that can charge one bike.
Emergency EV Charging
The TG9000i's higher output and 120V/240V capability may make it relevant for some emergency Tesla or other EV charging situations, but EV charging has additional electrical, grounding, EVSE, and vehicle compatibility requirements.
A 240V outlet and sufficient wattage do not automatically make a generator compatible with an EV. Always verify compatibility between the generator, outlet, EVSE, vehicle, grounding requirements, and charging equipment before attempting EV charging.
Product Features
- 8,500W Rated Output: Serious continuous power for compatible e-moto chargers, appliances, tools, electronics, and other equipment.
- 10,500W Starting Output: Additional short-duration power for compatible equipment with higher startup requirements.
- Advanced Inverter Technology: Produces clean, stable power with less than 3% total harmonic distortion.
- 120V & 240V Output: Supports a broad range of compatible chargers, tools, appliances, backup loads, and professional equipment.
- Electric Start: Provides convenient, reliable startup without relying solely on a manual pull start.
- 458cc Engine: Large industrial-grade engine built to support demanding power requirements.
- Eco Mode: Adjusts engine speed to match demand, helping reduce fuel consumption and unnecessary noise.
- 6.9-Gallon Fuel Tank: Large fuel capacity supports extended operation away from normal electrical service.
- Up to 14.5-Hour Runtime: Provides extended operation at quarter load for camping, race weekends, jobsites, and backup power.
- 62 dBA Noise Rating: Designed for quieter operation despite the generator's substantial output.
- Wheels & Lifting Arm: Helps make the 233 lb generator easier to move and position.
- CO Detection: Added carbon monoxide monitoring for safer operation.
- GFCI Protection: Provides additional electrical protection for compatible applications.
- Built-In Safety Features: Includes overload protection, low-oil shutdown, and surge protection.
- Parallel Capability: Allows compatible TG9000i generators to be connected when even more available power is required.
- 2-Year Warranty: Backed by Tomahawk's comprehensive 2-year warranty and nationwide service support.
Specifications
- Model: TG9000i
- Engine: 458cc
- Total Harmonic Distortion: <3%
- Voltage: 120V / 240V
- Available Amperage: 20A at 120V / 30A at 120V/240V / 50A at 120V/240V
- Running Amperage: 75A at 120V / 37.5A at 240V
- Starting Watts: 10,500W
- Rated Watts: 8,500W
- Fuel Tank Capacity: 6.9 gal / 26.1 liters
- Runtime: Up to 14.5 hours at 1/4 load
- Oil Type: SAE 10W-30
- Oil Capacity: 1.1 quarts
- Weight: 233 lbs / 105.6 kg
- Package Weight: 318 lbs / 144 kg
- Dimensions: 31 x 23 x 29 in / 787.4 x 584.2 x 736.6 mm
- Package Dimensions: 48 x 40 x 37 in / 1219.2 x 1016 x 939.8 mm
- Noise Level: 62 dBA
- Electric Start: Yes
- Eco Mode: Yes
- CO Detection: Yes
- Parallel Capable: Yes
Package Includes
- Tomahawk TG9000i Inverter Generator
Applications
- E-moto charging
- Multi-bike charging stations
- High-output compatible e-moto chargers
- Race teams and group rides
- Track days and race pits
- Camping and off-grid riding
- Emergency backup power
- Construction and remote jobsites
- Compatible 120V and 240V equipment
- Computers and sensitive electronics
- Speakers and audio equipment
- Power tools and drills
- Power saws
- Indoor and outdoor lighting
- Food trucks
Who Is the TG9000i Best For?
- Race Teams & Multi-Bike Households: The 8,500W rated output gives you the capacity to build a serious multi-bike charging station while still powering compatible pit equipment.
- Large Track, Camping & Off-Grid Setups: Ideal when the generator needs to power more than bikes, including lights, tools, refrigeration, electronics, and other equipment.
- Professional & Emergency Backup: High-output inverter power with 120V and 240V capability for compatible jobsites, food trucks, appliances, tools, electronics, and backup-power applications.
How Does This Ship?
This is an oversized item and requires shipment by freight truck. Shipping to a commercial business address may reduce transit time by approximately 1 to 2 days.
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.
California 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, visit P65Warnings.ca.gov.
Info & Guides
- TG9000i Specification Sheet
- TG9000i Operations Manual
- TG9000i Parts Manual
- TG9000i Electrical Panel Diagram
- Generator Best Practices
Need Help Sizing a Generator for Your E-Moto?
Send the REV Rides team your bike model, charger specifications, how many bikes you want to charge, and what else you plan to power at the same time. We can help you figure out how much generator output your setup actually needs before you buy.
Frequently Asked Questions
Frequently Asked Questions
What's the Warranty? 2 years What Size Generator Do I Need to Charge My E-Moto? Charging your electric dirt bike or e-moto from a generator or portable power station is easier than it might sound. The most important number to look at is the power draw of your bike's charger, not the peak power of the bike's motor. A 20kW e-moto does not require a 20,000W generator to charge it. Your generator only needs to supply enough power for the charger and anything else you want to run at the same time. Quick Rule: Check Your Charger Look at the specifications on your e-moto charger. If the charger lists its AC input wattage, use that number. If you only know the approximate charger output voltage and amperage, you can estimate: Volts × Amps = Watts For example: 84V × 10A = approximately 840W Because of charging and conversion losses, actual AC power draw can be somewhat higher than this estimate. When possible, use the charger's listed AC input rating for the most accurate generator sizing. We also recommend leaving additional capacity instead of continuously operating a generator at its maximum output. For an e-moto charger drawing around 840W, a generator with approximately 1,200W or more of continuous output would provide useful additional headroom. Don't Size Your Generator Based on Your Bike's Motor This is one of the most important things to understand. If your e-moto has a: 8kW motor
12kW motor
20kW motor
25kW motor that does NOT mean you need an 8,000W, 12,000W, 20,000W, or 25,000W generator. The motor's power rating tells you how much power the bike can use while riding. The charger determines how much power is required from the generator while charging. Want to Charge Your E-Moto and Run Other Equipment? If you're heading to the track, camping, traveling, or preparing for an emergency, you may want your generator to do more than charge your bike. Simply add together the approximate wattage of everything you expect to operate at the same time. Example Track or Camping Setup E-Moto Charger: 900W
Portable Fridge: 100W
Lights: 100W
Laptop & Phones: 150W Estimated Simultaneous Load: 1,250W Instead of choosing a 1,250W generator and running it at or near maximum output, we recommend leaving some additional capacity. A generator with approximately 1,800–2,000W of continuous output would provide much more comfortable headroom for this example setup. Want to Charge Multiple E-Motos? You can do that too, as long as your generator has enough continuous output. For example: E-Moto Charger #1: 900W
E-Moto Charger #2: 900W
Other Equipment: 300W Total Load: 2,100W Add approximately 20–30% additional capacity and you're looking at roughly: 2,500–2,750W+ continuous generator output If you don't need to charge both bikes simultaneously, you can also charge one bike at a time and use a smaller generator. Battery Size vs. Generator Size Battery capacity and generator output are two different measurements. Your e-moto's battery capacity tells you approximately how much energy the battery can store. Your charger tells you approximately how quickly that energy needs to be supplied. Watts (W) = Power Watts tell you how much power your equipment needs at a particular moment. Watt-Hours (Wh) = Energy Watt-hours tell you how much energy a battery can store. For example, a 4,000Wh (4kWh) e-moto battery does NOT require a 4,000W generator. If the bike uses approximately a 1,000W charger, the generator only needs to comfortably support that charger's power requirements. A 4,000Wh battery being charged at approximately 1,000W could theoretically require around four hours of charging from empty, but real-world charging time will generally be longer due to charging losses, battery management, charge tapering, and other factors. What About Portable Battery Power Stations? You can also charge many e-motos using a sufficiently powerful portable battery power station. When choosing a power station, there are two important specifications to consider: 1. AC Output The power station's inverter needs to provide enough continuous AC wattage to operate your e-moto charger. 2. Battery Capacity The power station's Wh or kWh capacity determines approximately how much energy you have available to put back into your e-moto. For example: If your e-moto has a 4,000Wh battery and your portable power station stores 2,000Wh, you should NOT expect the power station to completely recharge the bike from empty. Actual energy transferred to the bike will also be lower than the power station's advertised capacity because some energy is lost through the inverter, charger, wiring, battery management system, and charging process. This is why both output wattage AND battery capacity matter when choosing a portable power station. Can I Use a Generator to Charge My E-Moto During an Emergency? Yes. A properly sized generator can be an excellent backup charging solution during power outages, emergencies, extended trips, or anywhere normal AC power isn't available. For modern e-motos and other sensitive electronics, we generally recommend a quality inverter generator with stable AC output. Always confirm that the generator's voltage, frequency, continuous output, and outlet configuration are compatible with your charger. IMPORTANT GENERATOR SAFETY Never operate a gas, propane, or other combustion-powered generator indoors, inside a garage, enclosed trailer, tent, vehicle, or other enclosed space. Generators produce carbon monoxide, which can be deadly. Always follow the generator manufacturer's operating, ventilation, fueling, grounding, maintenance, and safety instructions. Can I Charge a Tesla or Other Electric Vehicle? Potentially, but EV charging is significantly more demanding than charging most e-motos. Some properly configured generators may support emergency 120V Level 1 EV charging, while larger generators may be capable of supporting higher-output EV charging equipment. However, EV charging equipment can have specific requirements involving: Voltage
Continuous amperage
Generator wattage
Grounding/bonding configuration
Outlet type
EVSE compatibility Having enough advertised watts does not automatically mean a generator will successfully charge every EV. If charging a Tesla or another full-size EV is an important part of your intended use, choose a generator specifically suited for EV charging and verify compatibility with your vehicle and charging equipment. Quick Generator Sizing Guide What You Want to Power Suggested Starting Range Small E-Moto Charger 1,000–1,500W Larger/Faster E-Moto Charger 1,500–2,500W E-Moto + Camping Equipment 2,000–3,500W Multiple E-Motos 3,000W+ E-Moto + Larger Track/RV Setup 3,500W+ EV Emergency Charging Application Dependent These are general starting points. Always check the actual power requirements of your charger and equipment before selecting a generator. Easy Generator Sizing Formula If you're trying to figure out which generator is right for you, use this simple process: STEP 1: Find the wattage or AC input requirements of your e-moto charger. STEP 2: Add the wattage of anything else you want to operate at the same time. STEP 3: Add approximately 20–30% additional capacity for comfortable operating headroom. STEP 4: Compare your result against the generator's continuous/running wattage, not just its advertised peak or starting wattage. Example E-Moto Charger: 1,000W Camping/Track Equipment: 300W Total Load: 1,000W + 300W = 1,300W Add approximately 25% headroom: 1,300W × 1.25 = 1,625W For this setup, we would start looking at generators capable of approximately 1,600W or more of continuous output. Going larger gives you additional capacity for accessories and future equipment. Generator Specs Worth Comparing When shopping for a generator or power station for your e-moto, pay attention to: Continuous / Running Watts
The amount of power the generator can continuously provide. Peak / Starting Watts
Short-duration maximum output. Don't use this number as your primary sizing number for charging. 120V / 240V Output
Determines what types of equipment and chargers can be connected. Inverter Generator
Generally preferred when powering chargers, electronics, and other sensitive equipment. Fuel Type
Gasoline, propane, dual-fuel, or other options can affect convenience, runtime, and emergency preparedness. Runtime
Important for charging large e-moto batteries, especially if a complete charge takes several hours. Outlet Types
Make sure the generator has the appropriate outlets for your equipment. Noise Level
Especially important for camping, events, pits, neighborhoods, and overnight use. Portable Power Station Capacity (Wh/kWh)
For battery power stations, this determines approximately how much stored energy you have available. Not Sure What Size You Need? Send the REV Rides team: 1. Your bike make and model
2. A photo or specifications of your charger
3. How many bikes you want to charge
4. Anything else you want to power at the same time We can help you determine approximately how much generator or power station capacity you should be looking for. The Simple Version Your bike's motor size does NOT determine your generator size. Start with the wattage required by your charger, add anything else you want to operate simultaneously, and then give yourself approximately 20–30% additional continuous output for headroom. For many riders, that makes choosing a generator for the track, camping, off-grid riding, or emergency backup much easier.
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