For automotive enthusiasts who value precision and reliability, the AutoMeter SB-300 handheld battery tester is an essential tool for diagnosing battery issues in your vehicle. Whether you're working on a classic muscle car or a modern daily driver, this tester is designed to deliver rapid and accurate results. Utilizing AutoMeter's patented Digital Pulse Load (DPL) technology, it provides a true on-board 40 amp load, ensuring that you get the most accurate reading possible. In less than 82 seconds, you can perform a full battery test, making it a time-saving addition to your garage or toolbox.
The SB-300 is compatible with both 6V and 12V applications, making it versatile enough for a wide range of vehicles. From diagnosing starting issues on your 2020 Ford F-150 to checking the battery health on your 2018 Subaru WRX, this tester has you covered.
Universal Fitment: The SB-300 is designed to work universally with most vehicles. However, we recommend that you verify compatibility with your specific make and model to ensure optimal performance.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

AutoMeter is an aftermarket company that started in 1957. The company specializes in creating high precision gauges for various automobiles. The company was founded by Vern Westberg and initially poured sand castings in their family’s backyard. Today, Autometer is considered the leading brand when it comes to vehicle instrumentations and is being used by a lot of enthusiasts worldwide.
Experts in their FieldWith more than 60 years in the industry, the company was able to perfect its craft and developed many industry-changing products such as rev control and quick responding tachometers. They also offer an LCD Competiton data acquisition system for those who are more serious when it comes to data monitoring.
State-of-the-art FacilityAutometer has one of the industry’s most advanced manufacturing facilities based in Sycamore, IL USA. This, coupled with an advanced engineering system allows them to create parts that are durable, accurate, and precise. The company is ISO certified so you can be sure that you get quality products consistently.
Autometer has its own High-Performance division that focuses on competition spec and racing electronics and instrumentations. Using their experience, they are able to develop and continuously improve their products and adapt them to the ever-changing automotive technology.
Purchase Autometer at Vivid RacingIf you want to accurately monitor your engine’s vitals, then upgrade your gauges to Autometer. They have been the trusted brand of many enthusiasts and racers worldwide and have proven themselves as the leading brand in the industry. To know more, visit Vivid Racing and check out their list of products that would fit your specific requirement.
Click to view the Installation Instructions here