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.

• 135 Amp Professional Load Testing: Delivers accurate battery diagnostics using a true 135-amp load to quickly identify GOOD, WEAK, or BAD battery conditions on 6V and 12V batteries for automotive, motorcycle, and marine use.
• Fast 10-Second Battery Health Check: Performs a complete battery condition test in just 10 seconds, helping determine whether a battery is fully charged, partially charged, or has defective cells before replacement.
• Easy-Read Multicolor Analog Gauge: Features a large, multicolor analog meter with clear GOOD / WEAK / BAD zones, allowing instant visual interpretation without digital menus or complex settings.
• Durable Copper Jaw Clamps & Heavy-Duty Build: Equipped with strong copper jaw clamps for solid contact on battery terminals, ensuring accurate readings and long-term durability in workshop or garage environments.
• Tests Batteries & Charging Systems: Not only tests battery load capacity (200–1000 CCA range) but also checks vehicle charging systems to identify low, normal, or over-voltage conditions.