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The Best 100 Amp Automotive Relay of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 100 Amp Automotive Relay of 2022. Check our ranking below.

2,557 Reviews Scanned

Rank No. #1
ESUPPORT Car Auto Heavy Duty Split Charge DC 12V 100A 100 AMP SPST Relay 4 Pin 4P RL180
  • Voltage: 12V, Contact rating: 100A
  • Size: 45mm(L) x 45mm(W) x 45mm(H), about 1.77''(L) x 1.77''(W) x 1.77''(H)
  • It is made of high quality material, with long serving life
  • 4Pin Normally Open with 60 Ohms Coil Resistance.
  • Hundreds of uses include- starter kills, domelight supervision, trunk release, polarity change, power door lock/actuator control
Rank No. #2
ESUPPORT DC 12V 100A 100 AMP Car Automotive Boat Truck 5 Pins SPDT Alarm Relay Kit Switch Copper 9.5mm Terminal Pack of 5
  • Heavy Duty 12V 100A 5Pin SPDT Relay
  • Large Pure Copper Pin:9.5mm
  • High 100A coil capacity- able to handle those high current applications with ease
  • Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations.
  • Suitable for car alarm fitters, audio installers, auto electricians, and DIY use.
Rank No. #3
Car Starter Relay, DC 12V 100A 2-Pin WM686 Normal Open Car Starter Relay for Control Battery ON/Of
  • The car starter relay is of normally open, 2-pin relay type, rated current is 100A, rated voltage 12VDC
  • Adopting copper terminal, the car starter relay is of good electrical conductivity, with stable working performance
  • The car starter relay could operate within 30 minutes at a time of 4.8W, and 2.4W can work for a long time
  • The heavy duty car starter relay is with wide application, used for small crane, wheat combine harvester, auto start power switch, auto preheat relay
  • With the car starter relay, it is convenient to replace the broken one, and modify the car
Rank No. #4
Relay Contactor, Car Relay DC 12V 100A Heavy Duty Car Starter Relay for Automotive Car Truck Van Motor Boat Car Split On/Off Switch Relay, 4 Pin WM686/180
  • Heavy-Duty Performance Assurance: This 12V 100A car starter relay is engineered for heavy-duty applications, ensuring stable performance in demanding situations. With a rated current of 100A and rated voltage of 12VDC, this relay can effectively control battery systems, making it ideal for automotive engines, off-road vehicles, or any heavy load application. Experience peace of mind knowing that your starter system is backed by a robust relay capable of handling high currents
  • Sturdy and Long-Lasting Construction: Made from high-quality materials, this starter relay promises exceptional durability and a long service life. Designed to withstand harsh automotive conditions, including exposure to dust and water, it is built to deliver consistent performance over time. Choose a relay that can endure the demands of your vehicle and keep your battery control system running smoothly for years to come
  • Efficient ON/OFF Control: This relay features a normally open configuration that allows for efficient control of your car battery's ON/OFF functions. With its 4-pin design, installation is straightforward, making it easy to set up in various vehicles. Take of your battery management system and enjoy the convenience of stable remote start capabilities, enhancing your overall driving experience
  • Stable Operational Performance: Engineered for exceptional stability, this 12V starter relay ensures steady operational performance under various conditions. Its design protects against harmful particulates, contributing to its stable performance in automotive environments. Whether you're using it for starting your vehicle or controlling auxiliary systems, this relay provides peace of mind with its dependable functionality
  • Compact and Lightweight Design: With dimensions of 7.5 x 4.3 x 4.3 cm and a weight of just 94 grams, this relay boasts a compact design that makes it easy to fit into your vehicle's electrical system. Its lightweight construction not only reduces installation hassle but also ensures that it won’t add unnecessary weight to your machinery, optimizing both performance and efficiency across your automotive applications
Rank No. #5
YWBL-WH Car Starter Relay 4 Pin Normal Open Heavy Duty 12V 100A Auto Switches Starters
  • Main Feature: The car starter relay is normally open, and 4-pin relay type, and rated current is 100A, rated voltage is 12VDC.
  • Used for: The car starter relay is used for controlling battery ON/OFF.
  • Stable Working Performance: The car starter relay is of great stable working performance, and great dust proof function.
  • Long Serving Life: Made of high quality material, the car starter relay is with long serving life.
  • Quality Guarantee: Each car starter relay got a series of tests to ensure stable performance.
Rank No. #6
Starter Relay WM686 12VDC 100A 2 Pin ON/Off Car Starter Relay Heavy Duty Auto Switches for Control Battery
  • [High Quality] The starter relay adopts copper terminal which has good electrical conductivity and great stable working performance.
  • [Good Performance] Operating within 30 minutes at a time of 4.8W, 2.4W can work for a long time. This relay is characterized with high reliability and durability.
  • [Application] This car start relay is a good automotive replacement with wide application, used for small crane, wheat combine harvester, auto start power switch, auto preheat relay and more.
  • [Feature] The powerful relay is normally open, and 2-pin relay type, and rated current is 100A, rated voltage is 12VDC.
  • [Convenient] The 2 pin starter relay is designed with a hole for easy installation. Convenient to replace the broken one, and modify the car.
Rank No. #7
12V 100A Continuous Duty Relay, 4 Pin High Current Relay Split Charge Relay Switch Normal Open Start Relay Heavy Duty Car Starter Relay for Control Battery ON Off
  • 【High Quality】100% brand new 12V 100A continuous duty relay is made of high quality materials to ensure durability and long service life.
  • 【Battery Control】Designed to efficiently control the ON/OFF function of your car's battery, this car starter relay provides reliable performance.
  • 【Heavy Duty Construction】 The 4 Pin high current relay has a high current rating of 100A at 12VDC to handle heavy duty applications.
  • 【Easy Installation】Split charge relay switches are small and lightweight, making them easy to install on a variety of vehicle models.
  • 【Stable and Dustproof】Power switch relays experience high stability and reliable operation through a normally open contact form and excellent dust protection.
Rank No. #8
ESUPPORT DC 12V 100A 100 AMP Car Automotive Boat Truck 4 Pins SPST Alarm Relay Switch Copper 9.5mm Terminal
  • Heavy Duty 12V 100A 4Pin SPST Relay
  • Large Pure Copper Pin:9.5mm
  • High 100A coil capacity- able to handle those high current applications with ease
  • Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations.
  • Suitable for car alarm fitters, audio installers, auto electricians, and DIY use.
SaleRank No. #9
DC 12V Car Starter Relay WM686 100A 2 Pin Normal Open Heavy Duty Car Starter Relay Normally Open for Control Battery ON/Off
  • APPLICATION: This is a car starter relay with wide application,used for small crane, wheat combine harvester, auto start power switch, auto preheat relay.
  • OPERATING WALT: The car starter replay is operating within 30 minutes at a time of 4.8w, 2.4w can work for a long time.
  • NORMALLY OPEN: The relay is normally open, 2-pin relay type, and rated current is 100A, rated voltage is 12VDC.
  • COPPER TERMINAL: Adopting copper terminal, which has good electrical conductivity and great stable working performance.
  • GREAT CHOICE: The car start relay can be a great choice for replacement part of your broken one.
Rank No. #10
FFOCCO Relay Car Truck Motor Automotive Relay 24V/12V 200A/100A/120A Continuous Type Automotive Modular Relay (Size : 24V4.8W200A)
  • Relays
  • anti-interference ability, stable performance.
  • Widely used for all MCU control, industrial sector, PLC control, smart home control.
  • Small size/Low power consumption/High contact voltage/ High sensitivity.
  • Easy to install, Waterproof design, Effective heat dissipation, with no excess heat issue.

Last update on 2023-09-23 / Affiliate links / Images from Amazon Product Advertising API

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 100 Amp Automotive Relay that you consider buying. Your questions might include the following:

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Potential sources can include buying guides for 100 Amp Automotive Relay, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 100 Amp Automotive Relay. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 100 Amp Automotive Relay buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 100 Amp Automotive Relay currently available on the market.

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  1. Brand Value: Every brand of 100 Amp Automotive Relay has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 100 Amp Automotive Relay?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 100 Amp Automotive Relay.
  5. Customer Ratings: Number ratings grade 100 Amp Automotive Relay objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 100 Amp Automotive Relay.
  7. Product Quality: You don’t always get what you pay for with an 100 Amp Automotive Relay, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 100 Amp Automotive Relay is should be an indication of how long it will work out for you.

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