Professional 135 Amp Battery Load Tester, 6V 12V Automotive Charging System Analyzer with Easy-Read Gauge, Copper Jaw Clamps for Car, Motorcycle, Marine Batteries

The T135A 135 Amp Battery Load Tester is a compact, professional-grade diagnostic tool designed for fast and reliable testing of 6-volt and 12-volt batteries. With a simple 10-second load test, this tester quickly determines battery health and helps identify charging system issues before they lead to vehicle failure. Designed for automotive, motorcycle, and marine applications, the tester applies a true 135-amp load and displays results on an easy-to-read multicolor analog gauge. The clear GOOD, WEAK, and BAD indicators remove guesswork, making it ideal for both professionals and DIY users. Heavy-duty copper jaw clamps provide secure terminal contact for consistent and accurate readings, while the rugged metal housing is built to withstand regular shop use. The tester also supports charging system checks, helping detect alternator or voltage regulation problems. Compact, portable, and simple to operate, the T135A battery load tester is an essential tool for quick diagnostics, preventative maintenance, and confident battery replacement decisions.

All orders placed online by 3:00 p.m. Eastern Time will usually be processed and shipped within 24-48 hours. Most standard shipments should arrive in 1 to 6 business days depending upon routing and the distance of the shipping address from our warehouse location.