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Generators have unique equipment needs, and the right accessories for each generator can vary based on model and wattage. However, there are some bare essentials you can get to keep your portable generator running safely and efficiently for years to come. Without them, your generator could short-circuit or break down, resulting in hundreds of dollars in repairs.
The essential accessories are transfer switch kits and maintenance kits. Generators eventually also need waterproof covers, fuel stabilizers, and other accessories once the weather turns sour or other maintenance needs arise. Here is a list of the best accessories to keep your portable generator running smoothly.
Top Reasons to Buy:
Key Features:
The Reliance Controls Corporation 30 Amp 6-circuit Transfer Switch Kit is a safe and easy way to control your 20- or 30-amp portable generator and utility power from the comfort of your home.
When the power goes out, or you simply want to change your power supply, count on Reliance’s transfer switch kit to work reliably. Get the kit today so you can make the most of your portable generator.
t
PROS
SPECS
Reliance Controls Transfer Kit
PROS
Safe for generators up to 30 amps
Easy to install
Includes additional cables and plugs
SPECS
30-amp box
10-foot hose included
6 circuits included
5-year warranty
Yodotek 40FT Generator Power Cord
PROS
Twisting lock design
Generous 40-foot length
Weather- and fire-resistant
SPECS
10-gauge wire
Up to 7500 Watts
SJTW cord
30 amps
STA-BIL Fuel Stabilizer
PROS
Keeps fuel fresh
Highly concentrated
Works on all gasoline blends
SPECS
Works up to 24 months
1-ounce to 2.5-gal treat rate
Bottle sizes from 4 oz to 1 gal
Highly concentrated
J2XCO AVR
PROS
Near-universal shape and size
Available in 2 wattage ranges
SPECS
Half-moon shape
6 wires
For 6500-8000W generators
140mm hole to hole
Xantrex 804-1240-02 TRUECharge2
PROS
LED lights
Settings for different batteries
Reliable and trusted brand/p>
SPECS
Weighs 6.5 pounds
4 battery type settings
2 stage settings
Up to 40 amps
To switch between power sources safely, homeowners can install a specialized automatic transfer switch. This allows the portable generator’s power to be pulled into the house without backfeeding the utility lines.
Reliance Controls’ automatic transfer switches are renowned for their quality and ease of use. The box, cables, and other parts are made of durable materials, so you can rest assured that this investment lasts for years.
It’s great value for the money, especially since it includes an outdoor inlet box, a power cord, and an extra cord end for 20-amp generators. Unless you specifically need a higher wattage or amperage, this transfer switch is a must-have.
30-amp box
10-foot hose included
Rated for 7500W
5-year warranty
Safe for generators up to 30 amps
Easy to install inside for quick switching
Includes 10-foot cord and other accessories
Cannot be used with 8000W generators without circuit breaker
Who Should Get This? This kit is perfect for home and RV owners who need easy and safe access to power controls and the ability to switch on their portable generator without going outside.
Most portable generators include power cords that are only 10 feet in length. Although this may seem sufficient for some homeowners, you never know when an emergency can require you to move your generator.
This 4-prong power cord from Yodotek is highly durable and uses a twisting lock design, so the plug stays in place when inserted. It is UL-listed, weather-resistant, and safe to use in heavy rain and wind.
The 10-gauge wire is approved for use with either 20 amp or 30-amp portable generators. The cable coating is fire-resistant up to 105° C (221° F), so homeowners can have additional peace of mind.
125 or 250 volts
10-gauge wire
4-prong connectors
30 amps
Up to 7500 Watts
Twisting lock design for security
Heavy duty covering
Generous 40-foot length
Weather- and fire-resistant
Requires adapter to use with three-pronged equipment
8000W generators require 7500W circuit breaker to use
High-quality fuel stabilizers can keep gas from deteriorating and losing its potency over time. Old gas can also gum up the inside of gas tanks and other key parts, reducing efficiency and causing damage, so portable generator owners must take care to use high-quality fuel stabilizers.
STA-BIL fuel stabilizer gets the job done, protecting portable generators and gas tanks with just a small amount. The 1-ounce to 2.5-gallon treat rate means that even a small bottle can last a long time. The bottle top includes a convenient small measuring tube so you can visualize how much to use in a tank.
Bottle sizes ranging from 4 oz to 1 gallon
Works up to 24 months
1-ounce -to-2.5-gallon treat rate
Works on all gasoline blends and ethanol-blended gas
Available in a variety of bottle sizes
Stabilizes gasoline for up to 24 months
Highly concentrated and effective
Difficult to pour the correct amount
Who Should Get This? Homeowners who only use their portable generators seasonally or during power outages should use fuel stabilizer both in the generator’s fuel tank and in gas cans.
An automatic voltage regulator (AVR) helps generators keep a constant output of voltage even if the engine is producing slightly more or less. The AVR is a critical part of the portable generator, and a failing AVR should be replaced as soon as possible.
Although there are plenty of replacement AVR units on the market, some of them use cheap materials that are easy to damage or burn out. J2XCO’s AVRs are sturdy, with carefully assembled wires and high-quality capacitors.
J2XCO also makes a nearly identical AVR for 4500-6500W generators. They use a standard size and shape to make installation as easy as possible on most portable generators that use half-moon AVRs.
5.5”/140mm hole to hole
6 wires (4 wires in 1 connector)
Half-moon shape
For 6500-8000W generators
Can be used with gas or diesel generators
Near-universal shape and size
Available in 2 wattage ranges
Individual wires are tricky to install and secure
Who Should Get This?
Home, boat, and RV owners with older generators should consider replacing their AVR as soon as possible to prevent future problems, especially since it’s an inexpensive part.
Xantrex has quickly built a reputation for itself among RV and boat owners. Their chargers are carefully designed to meet the needs of a wide range of users with different battery types and capacities.
Settings include 2- and 3-stage battery charging and support for gel, flooded, AGM, and lead-calcium batteries. The voltage input is auto-ranging, allowing it to be used with a variety of power sources.
The microprocessor-controlled system makes it a top choice for all portable generator owners. Pair it with a high-quality inverter for best performance.
90-265 VAC and 47-63 Hz
Up to 40 amps
Measures 9.8” x 6.7” x 2.8”
Weighs 6.5 pounds
4 battery type settings and 2 stage settings
Reliable and trusted brand
LED lights show operation status
Variety of settings for different batteries
Reasonable price for a high-end charger
Boots and butt connectors are low-quality
Expensive if only charging flooded lead-acid batteries
Who Should Get This?
This battery charger is good for mobile home owners who need charging, or for anyone who wants to be able to recharge batteries off of their portable generator easily.
This waterproof cover is designed to be used for both storage and as a running cover. The sides roll up and easily secure into place with the attached metal buckles, allowing access and ventilation. The thick tarpaulin side panels stay in place, even during high winds.
The cover uses a unique design with a stainless-steel frame that holds the cover in place. The .63”-diameter pipes do not bend or buckle easily so that the cover can stand up to severe weather and wear-and-tear. It’s an excellent investment for owners trying to protect their portable generator from the elements.
Works on most 3500-12000W generators
31.8” x 23.8” x 18” size
9-lb. tarpaulin
4 roll-up sides
Sides can be rolled up and secured for easier access
Can be used while generator is running
Thick side panels don’t blow easily in the wind
More expensive than some other options
Who Should Get This? Since portable generators are not safe to use inside garages or other enclosed spaces, all homeowners should get this cover to allow their generator to be operated safely.
Mufflers are an important investment for your family’s quality of life, but they can become loose or damaged over time. This replacement muffler makes it easier to live and work around your portable generator while it’s running.
The large muffler has a standard 15/16” hole, so it fits a range of different brands and models. It is carefully engineered and shaped to allow easy installation.
Power Products also makes a muffler for 11/13 HP portable generators, which uses a slightly larger exhaust hole and includes a gasket. Both products will help protect your family’s hearing for years to come, even with frequent portable generator use.
15/16” opening
For 5.5 and 6.5 HP generators
Works with most 3200-4375W generators
Available in 11 and 13 HP size
Compatible with a wide variety of brands and types
Muffles sound well
Attaches securely
Is not always quieter than the factory muffler
Who Should Get This?
Owners with portable generators between 5.5 and 13 HP may find Power Products’ mufflers to be great replacements once the factory-provided muffler wears out and becomes noisy.
The Reliance Controls Corporation 30 Amp 6-circuit Transfer Switch Kit is the most important generator accessory you can buy. It includes additional parts so you can use it with 20- and 30-amp portable generators. Get it so you can safely switch your power supply from the comfort of your home.