Briggs & Stratton p4500 Review

  • Post last modified:December 4, 2022
  • Reading time:6 mins read
Briggs & Stratton p4500 featured image

The Briggs & Stratton P4500 is an excellent choice for those who need a reliable and durable portable generator. It is perfect for use in homes, RVs, cabins, and more. It features a 224 cc Briggs & Stratton engine that produces 4500 watts of starting power and 3700 watts of running power. 

The P4500 also has a 3.5-gallon fuel tank capacity that allows it to run for up to 16 hours at 25% load. It also features a sound level of only 60 dB, making it one of the quietest generators in its class. Additionally, the P4500 is CARB and EPA compliant and comes with a 3-year warranty.

image 1 of Briggs & Stratton P4500

Specifications of Briggs & Stratton p4500

Specifications Data
Engine Brand
Briggs & Stratton
Engine Size
224 cc Briggs & Stratton
Engine Type
OHV 4-stroke
24.5 x 17.6 x 20.36 in
Sound Level
60 db
Fuel Type
Fuel Tank Capacity
3.5 Gal
Run time
16 hrs ( 25% load)
Starting Watts
4500 W
Running Watts
3700 W
Running amps
30.8 amps
Peak amps
37.5 amps
AC(2x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R) DC(2x 5V USB port (USB-A))
Idle Control
Cooling System
Starting Method
Recoil, Electric, Remote
Accessories Included
Oil, funnel, key fob, and battery
Overload Protection (Circuit Breaker)
104 lbs.
3 years

Power & Run Time

The P4500 has 4500 starting power and 3700 watts of running power. It also has a 3.5-gallon fuel tank capacity that allows it to run for up to 16 hours at 25% load. Its engine type of OHV 4 stroke also delivers a consistent power output. 

The P4500 Power Smart offers a clean sine wave, with a <3% Total Harmonic Disturbance (THD), making it perfect for sensitive electronics. 

Whether you’re looking for a backup power source for your home or need a reliable way to power your RV or camping gear, the Briggs & Stratton P4500 is a great choice.


It has a dimension of 24.5×17.6×20.36 inches and weighs about 104 lbs. The P4500 is also equipped with never-flat wheels for easy portability. Additionally, it has a convenient carrying handle that makes it easy to transport from one place to another.

image 3 of Briggs & Stratton P4500


The P4500 has two 120V 20A duplex outlets, one 120V 30A TT-30R outlet, and two 5V USB ports. These outlets allow you to power a variety of devices and appliances. Additionally, the P4500 has an overload protection circuit breaker that protects your devices from damage due to overloading.

Environment Friendly

The P4500 is a great choice for those who are looking for an environment-friendly generator. It is CARB and EPA compliant, making it safe to use in all 50 states. Additionally, the P4500 features an idle control system that automatically shuts off the engine when not in use, saving fuel and reducing noise.

Sound Level

One of the best features of the P4500 is its sound level. At only 60 dB, it is one of the quietest generators in its class. This makes it perfect for use in areas where noise is a concern, such as apartments, camping sites, RVs, and cabins.

image 2 of Briggs & Stratton P4500


The Briggs & Stratton P4500 comes with a 3-year warranty. This ensures that your investment is protected in the event that something goes wrong with the generator.

Reasons to buy (Some main features at a glance)

1. Reliable and durable
2. Quiet operation
3. Environment-friendly
4. Portable
5. Overload protection
6. 3-year warranty
7. Clean power output