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Briggs & Stratton Q6500 QuietPower Spec Review

The Briggs & Stratton Q6500 QuietPower (30675) is a portable inverter generator with a rated wattage of 5000 W and a starting wattage of 6500 W.

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Price history for the Briggs & Stratton Q6500 QuietPower
Latest updates:
  • $1,119.99 - September 10, 2020
  • $1,768.58 - September 9, 2020
  • $1,119.99 - September 1, 2020
  • $1,768.58 - August 31, 2020
  • $1,119.99 - August 25, 2020
  • $1,299.99 - August 24, 2020
Data source: walmart.com
Since: August 24, 2020
  • Highest Price: $1,768.58 - August 31, 2020
  • Lowest Price: $1,119.99 - August 25, 2020

Description

Designed to give you quiet confidence during power outages, the Q6500 QuietPower™ Series inverter generator is more than 60% quieter than standard generators and can deliver 6,500 starting watts of reliable backup power. (source: Briggs & Stratton (opens in a new tab))

Zoom on the Briggs & Stratton Q6500 QuietPower

In a nutshell, the Briggs & Stratton Q6500 QuietPower is a portable inverter generator mostly geared towards:

  • RV travellers who wish to upgrade their experience to another level
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Food van owners who know that just a short power outage could lose them hundreds of dollars
  • Homeowners in need of an emergency backup power for their essentials
  • Camping and tailgating hobbyists looking for a portable power source
  • Professionals who want to ensure that a power failure will not prevent them from working

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The Briggs & Stratton Q6500 QuietPower in use

The Briggs & Stratton Q6500 QuietPower

The Briggs & Stratton Q6500 QuietPower's design includes a gasoline-fueled 306 cc Briggs & Stratton OHV 4-stroke engine. With a 120/240V output, it gives a running wattage of 5000W and also a peak wattage of 6500W.

The inverter generator is rated for a noise of 66 dBA (less noisy than a normal conversation). Its starting mechanism is based on a conventional pull-start mechanism.

With a fuel capacity of 5 gallons, the Q6500 QuietPower may run for up to 14 hours with a full tank (fuel consumption around 0.36 GPH).

Delicate electronics can be plugged in an AC outlets safely, as the Q6500 QuietPower generates a clean sine wave, reaching a <3% Total Harmonic Disruption (THD).

Outlets

The control panel includes the following 5 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120/240V 30A (L14-30R) receptacle

In addition, it provides 2 DC outlets: there's two 5V USB ports allowing you to conveniently charge electronics such as mobile phones and tablets.

As the Q6500 QuietPower holds a twist-lock L14-30R receptacle, it is transfer switch ready: you'll easily be able to connect it to your breaker box to power your home during a power outage.

Portability

Since the Briggs & Stratton Q6500 QuietPower is an inverter generator, its closed design (L27.7 x W23.2 x H22.3 in) has an esthetical advantage over conventional, open frame devices. The featured design follows the latest trends and is ideal for easy and recreational use.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 128 pounds. Nevertheless, thanks to its wheel kit (⌀8") and its telecospic handle (a decent solution to its lack of maneuverability), the generator can be easily moved, once placed the ground.

Features

Panel of the Briggs & Stratton Q6500 QuietPower

The Q6500 QuietPower's control panel

To help you monitor the Q6500 QuietPower's status and activity, its control panel is equipped with power use LEDs that can both display the power output and the amount of hours the generator has accumulated.

In addition to this info, the light indicators show you if the generator is on overload, the generator is ready and the oil level is too low.

The fuel level of the inverter generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.

The unit benefits from Briggs & Stratton’s Quiet Power Technology (QPT™), a feature designed to greatly improve its noise levels, emissions and fuel consumption. When the switch, located on the control panel, is turned ON, the engine speed increases as electrical loads are connected, and decreases as electrical loads are removed.

From a security point of view, the generator is equipped with an automatic low oil shut-off and an overload protection (circuit breaker), giving you a peace of mind during use.

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the Briggs & Stratton Q6500 QuietPower also is packed along with the following accessories: funnel and oil.

Emissions

The Briggs & Stratton Q6500 QuietPower is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor, which makes it suitable for use in forested areas.

Product Video

The Briggs & Stratton Q6500 QuietPower versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Briggs & Stratton Q6500 QuietPower compare to generators of similar power (between 4500 and 5500 W).

  • As far as its dry weight is concerned, the Briggs & Stratton Q6500 QuietPower weighs just 128 pounds and thus, it is one of the lighter 4500 to 5500 rated wattage generators. Regarding dry weight, one of the champions in the same power range is the Westinghouse WGen5300v, with a dry weight of only 107 lbs.
  • With a lowest noise rating of 66 dBA, the inverter generator is one of the more quiet of the generators of similar power. For those who are looking for a less noisy device, we suggest the Honda EU7000iS. With just 52 dBA, it is one of the most quiet devices in this power range.
  • Regarding its autonomy, the autonomy of the Q6500 QuietPower, reaching up to 14 hours at a 25% load, can be considered as low end, compared to other products of a roughly equal output. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Westinghouse WGen5300s, boasting with up to 20 hours.
  • Autonomy holds its importance, however, it is largely dependent on the generator’s fuel capacity and so, it is nonsensible to discuss it without mentioning fuel efficiency as well. Compared to its peers, this inverter generator is not exactly fuel efficient, compared to similarly powerful devices, with an estimated fuel consumption of 0.36 GPH at a 25% load. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Westinghouse WGen5300v. With a fuel consumption of as little as 0.24 GPH, it is one of the most efficient generators currently on the market.

Price comparison

As you can see from this interactive chart, when compared to other 4500-5500W generators, the Briggs & Stratton Q6500 QuietPower is on the average side of the price range.

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

STRENGTHS:
  • In the expected price range
  • Several accessories included
  • GFCI Outlets
  • Inverter
  • Lightweight for its kind (128 lbs)
  • Quiet for its power (66 dBA)
WEAKNESSES:
  • No electric start
  • No parallel ports
  • Not CARB-compliant
  • Relatively low run time
  • Low fuel efficiency

Do you own the Briggs & Stratton Q6500 QuietPower and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine306 cc Briggs & Stratton OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120/240V 60 Hz, DC: 5V
Running watts5000 W
Starting watts6500 W
Running amps (@120/240V)41.7/20.8 amps
Peaks amps (@120/240V)54.2/27.1 amps
Run time @50% load9.6 h
Run time @25% load14 h
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
DC outlets2x 5V USB port
Data centerPower & runtime hours LEDs
IndicatorsLow oil, overload and output ready
Fuel tank5 gal
Fuel gaugeYes
Misc
Weight128 lbs
Approx. dimensions (L x W x H)27.7 x 23.2 x 22.3 in
Noise (lower limit)66 dBA
THD< 3%
EmissionsEPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil and funnel
Warranty2 years
SeriesQuietPower
Other model numbers30675

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

About Briggs & Stratton

Founded in 1908, in Milwaukee, Wisconsin, Briggs & Stratton is a well renowned American based gasoline engine manufacturer. While the company mainly focuses on engines – including outdoor, power tool, karting, cast iron and aluminum models, power generators are a crucial component of their portfolio as well – Briggs & Stratton provides both portable and standby solutions for casual users with full support, including installation. The company operates on a global scale, with 13 facilities spread across all the of the continents.

Warranty Information

The Briggs & Stratton Q6500 QuietPower is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Briggs & Stratton generators, please consult Briggs & Stratton's warranty policies stated in the user manual (opens in a new tab). Alternatively, you can also contact their Customer Support : 1-800-743-4115.

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator size calculator.
ItemRunning WattsStarting Watts
At homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Hair dryer18001900
Set of 5 LED light bulbs5555
Cell phone charger2020
Total3992 W5467 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Rice cooker650650
Set of 5 LED light bulbs5555
Total3985 W4405 W
For workTable saw18004500
Grinder14002500
Electric fence (25 miles)250250
Drain cleaner250250
Bug zapper8080
Total3780 W6480 W
Is the Q6500 electric start? (Asked February 26, 2020)

This unit only has a classic recoil start.

Couldn't find the right answer for you? Ask your own question.

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Briggs & Stratton Q6500 QuietPower
9.3 Total Score
1 review
Add your review
Price
9
Value
10
Quality
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Performance
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1 Review
  1. 4.65
    Price
    90
    Value
    100
    Quality
    80
    Performance
    100

    Impressive performance. I had purchased the generator about 3 months before being hit by Hurricane Laura. It had not been used. I ran the generator continuously for 10 days and it ran flawlessly. Very fuel efficient consuming only 9 to 10 gallons of gas a day compared to similar wattage of my non-inverter generators that were consuming 16 to18 gallons per day.
    No major complaints. I Just wish that it was possible to run this unit in parallel with another 6500. I would then be set.

    + PROS:
    • Extremely fuel efficient
    • Low noise as good as competitors
    • Reliable
    • Starts easy
    • Excellent control panel
    • Heavy frame reduces vibration and improves stability
    - CONS:
    • No parallel port
    • No electric start
    • Inconvenient location of oil drain plug
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