The Performance Tool W1657C Deluxe Battery Tester is the perfect tool for accurate battery testing. Designed to test 6V, 12V, and 24V batteries, this battery tester provides precise readings every time. With a dial indicator style, it is easy to read and offers instant results, making it ideal for mechanics and DIY enthusiasts alike. Whether your battery is warm or cold, this deluxe battery tester delivers accurate readings, ensuring you always know the true state of your battery's performance. It is also incredibly easy to use, with simple instructions that allow you to quickly and easily test your batteries at home or in the workshop. With the ability to test a wide range of vehicles, including cars, trucks, boats, and motorcycles, this battery tester is a versatile tool for any garage or workshop.