Cummins Onan P2500i Inverter Generator, 2500 Peak/2200 Running Watts, Ultra-Quiet 52 dBA, Portable Gas Powered, Parallel Ready, 10hr Runtime, Lightweight 48 lbs, RV & Camping, CARB/EPA Compliant

Price: $1,099.99 - $691.54
(as of Feb 13, 2026 21:22:21 UTC – Details)

Product description

Cummins Onan P2500i Inverter Portable Generator

Power your adventures with the Onan P2500i Digital Inverter Portable Generator. The new portable inverter generator by Cummins brings together efficiency, durability, and performance to deliver power for when you need it most. *Please review the included quick start guide before initial operation*

Fuel Efficient

The fuel-efficient P2500i has a one-gallon tank runs 10 hrs. at 25% load.

Lightweight Design

Weighing 48lbs, this generator is lightweight and easy to carry.

Home / Camping Ready

Features one 12V 8A outlet and two 5V USB ports for charging electronics like phones or tablets.

Convenient Features

Pair with another P2500 inverter generator (cable sold separate)Easy-to-read LED display

1 Fuel Efficient 2 Lightweight Design 3 Home / Camping Ready 4 Convenient Features

Specifications

Peak/Running Power: 2500 peak watts, 2200 running watts Starting System: Recoil Ultra-Quiet Operation: As low as 52 dBA Parallel Capability: Yes Run Time: Up to 10 hours at 25% load (1-gallon tank) Engine: 98cc OHV 4-stroke Power Ready Outlet: 12V 8A outlet Clean Power Output: <3% Total Harmonic Distortion (THD) LED Display: Real-time monitoring (fuel, power output, voltage, run time, lifetime hours) USB Charging: Two 5V USB ports Fuel Type: Unleaded gasoline (10% ethanol or less) Portability: 48 lbs Dimensions: 19.75″L x 10.5″W x 18.25″H

P2500i

Onan Model Comparison

2500

Max Output (Watts)

4500

Gasoline

Fuel Type

Gasoline

~10 @ 25% Load

Run Time (hrs)

~18 @ 25% Load

48

Weight (lbs)

98

Pull Start

Start Type

Electric (w Remote)

Parallel Capable

52

Idle Noise (dba)

52

2500

Max Output (Watts)

4500 (Gas) 4050 (LP)

Gasoline

Fuel Type

Gas/LPG

~10 @ 25% Load

Run Time (hrs)

~12-15 @ 25% Load

48

Weight (lbs)

105

Pull Start

Start Type

Electric (w Remote)

Parallel Capable

52

Idle Noise (dba)

52

2500

Max Output (Watts)

9500

Gasoline

Fuel Type

Gas/LPG

~10 @ 25% Load

Run Time (hrs)

~19 (Gas) @ 25% Load

48

Weight (lbs)

194

Pull Start

Start Type

Electric (w Remote)

Parallel Capable

52

Idle Noise (dba)

74

P4500i

P4500DF

P9500df

Reliable Power for RV, Camping & Home – Delivers 2500 peak watts and 2200 running watts-ideal for powering small appliances, electronics, and sensitive devices at camphttps://homefrontking.com/s, tailgates, or during emergencies
Ultra-Quiet & Fuel Efficient – Operates as quietly as 52 dBA and runs up to 10 hours at 25% load on a single 1-gallon tank, so you can enjoy peace and extended runtime without constant refueling
Clean Inverter Power for Sensitive Electronics – Low Total Harmonic Distortion (≤3%) ensures safe operation for laptops, phones, tablets, and other electronics. Includes two 120V AC outlets, two USB ports, and a 12V DC outlet for versatile charging
Lightweight, Portable & Parallel Ready – Weighs just 48 lbs with a built-in carry handle for easy transport. Parallel capable-connect a second P2500i (parallel kit sold separately) for double the power when you need it
Durable, Safe & Backed by Cummins – Double-insulated housing for quiet operation and durability, plus rubber outlet covers for extra protection. CARB/EPA compliant for sale in all 50 states.