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At a glance
- Condition
- New
- Style
- 2,500 Starting Watts
- Pattern
- 49 State
- Dimensions
- 19.7"L x 11.4"W x 17.9"H
- Weight
- 48 lb
- Color
- Orange, Black
- Material
- Steel
- In the box
- Engine OilOil FunnelOwner's ManualTool Kit
- Warranty
- 3 year limited
Features 8
- PORTABLE POWER FOR CAMPING, HOME BACKUP, AND TAILGATING: Produces 2,200 running watts and 2,500 starting watts from a 46.6-pound inverter generator built for camping trips, outdoor events, and short-duration home backup when the grid goes down
- CLEAN POWER UNDER 3% THD FOR SENSITIVE ELECTRONICS: TruePower Technology produces a stable sine wave with less than 3% total harmonic distortion, making it safe to run laptops, tablets, CPAP machines, and other sensitive devices without damage risk
- ECONOMY MODE EXTENDS RUNTIME AND REDUCES NOISE: Activating Economy Mode automatically adjusts engine speed to match your actual load, delivering up to 8 hours of runtime at 25% load or 5.5 hours at 50% load on a single 0.95-gallon tank
- COSENSE TECHNOLOGY MONITORS AND RESPONDS TO CARBON MONOXIDE: Continuously measures CO concentration and automatically shuts the generator down before dangerous levels build a critical safety feature for use near tents, vehicles, or partially enclosed outdoor spaces
- 53 DB(A) QUIET OPERATION AT 25% LOAD: Running at 53 dB(A) at quarter load roughly the volume of a normal conversation the GP2500i lets you run power at a campsite or backyard event without disturbing neighbors or nearby wildlife
- PARALLEL READY WITH HOUSEHOLD OUTLETS AND USB CHARGING: Features two 120V 20A household outlets and one USB-A port for device charging; connect a second GP2500i via a sold-separately parallel kit to double your output to 4,400 running watts
- 46.6-POUND HAND-PORTABLE DESIGN WITH USDA SPARK ARRESTOR: Built-in carry handle lets one person lift and move the unit easily; the USDA-qualified spark arrestor makes the GP2500i approved for use in national forests, parks, and dry-condition fire-risk areas
- WHAT'S INCLUDED AND WARRANTY COVERAGE: Ships with engine oil, oil funnel, and tool kit; backed by a 3-year residential limited warranty and supported by Generac's authorized service dealer network across the U.S.
Description
The Generac GP2500i (model 8251) delivers 2,200 running watts and 2,500 starting watts from a 46.6-pound inverter generator built for campers, outdoor enthusiasts, and homeowners who need quiet, reliable backup power in a genuinely portable package. How many watts do you actually need? A standard refrigerator draws roughly 700W running and up to 2,000W at startup. The GP2500i handles that load while leaving headroom for phone charging and LED lighting. For larger simultaneous demands, two GP2500i units can be paired via the sold-separately parallel kit (model 7668-0) to reach 4,400 running watts. Clean power for sensitive electronics: TruePower Technology produces a sine wave with less than 3% total harmonic distortion — the same power quality standard used to protect laptops, CPAP machines, tablets, and cameras from voltage irregularities. Runtime and fuel efficiency: Economy Mode adjusts engine speed automatically to match your actual load rather than running at full throttle continuously. The result is up to 8 hours of runtime at 25% load from a single 0.95-gallon tank, with reduced noise output when full power is not needed. RV connection note: The GP2500i does not have a built-in TT-30R RV outlet. Its household outlets support connection to RV loads using a standard 5-20P adapter. The parallel kit includes a dedicated TT-30R outlet when two units are linked. Starting method: This model uses a recoil pull-start only. No electric start or remote start option is available on the GP2500i. Fuel type is unleaded gasoline only — no propane or dual-fuel capability. COsense monitors carbon monoxide levels continuously and shuts the unit down automatically if unsafe concentrations are detected. Maintenance requires periodic oil changes using 0.6 qt of 10W-30 oil per the owner's manual schedule. Oil and funnel are included. No wheel kit is available for this model. Backed by a 3-year residential limited warranty with 24/7 U.S.-based support.
Specs 34
| Brand | Generac |
|---|---|
| Wattage | 2500 watts |
| Fuel Type | Gasoline |
| Power Source | Fuel Powered |
| Recommended Uses For Product | Camping, Residential |
| Item Weight | 48 pounds |
| Voltage | 120 V AC |
| Output Wattage | 2500 |
| Special Feature | Automatic Voltage Regulation, CO Sensor, Fully Enclosed Design, Lightweight, Super Quiet |
| Additional Features | Automatic Voltage Regulation, CO Sensor, Fully Enclosed Design, Lightweight, Super Quiet |
| Engine Type | 4 Stroke |
| Ignition System Type | Compression |
| Tank Volume | 1 imperial gallons |
| Engine Displacement | 208 cubic centimeters |
| Total Power Outlets | 3 |
| Engine Power Maximum | 2.5 KW |
| Starting Wattage | 2500 watts |
| Running Wattage | 2200 watts |
| Frequency | 50 hertz |
| Runtime | 4 hours |
| Item Dimensions L x W x H | 19.7"L x 11.4"W x 17.9"H |
| Brand Name | Generac |
| Model Name | GP2500i |
| Model Number | 82512 |
| Item Highlight | 2,200 Running Watts, Clean Power, RV, Camping, Home Backup, Lightweight Compact, Quiet Operation, 49 State Compliant |
| Number of Packs | 1 |
| Number of Items | 1 |
| UPC | 696471103946 |
| Unit Count | 1 Count |
| Manufacturer | Generac |
| Item Type Name | Inverter Generator |
| Manufacturer Part Number | G0082512 |
| Color | Orange, Black |
| Material Type | Steel |
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Frequently asked questions
Non-returnable. Transportation of this item is subject to hazardous materials regulation
View our full returns policy here.
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