Schumacher Electric 100A Car Battery Load Tester and Voltmeter, for Batteries Up to 1000 Cranking Amps, Charging System Diagnosis, for 6V/12V Power Sport, Automotive, and Marine Batteries, BT-100

• 3 Tests with 1 Device - Battery analysis, charging system test, and starter motor test

• Formidable Testing Power - Can safely test 6V and 12V batteries up to 1000 cranking amps with a 50-amp 6V load test and a 100-amp 12V load test

• Wide Compatibility - Works with gas and diesel vehicles, 6V and 12V batteries, including motorcycle, ATV, lawn tractor, car, boat, light truck, and RV batteries

• Simple Operation - Top-mounted rocker switch allows for easy use and the highly visible meter face clearly displays the testing results

• Battery Analysis - Determines if the battery capacity is healthy, the state of charge, and if there is an electrical drain or potential charging system issues

• Charging System Test - Determines if there is a problem with the charging system, which usually indicates a defective alternator

• Starter Motor Test - Identifies excessive starter current draw, which makes starting difficult and shortens battery life

• Heavy-Duty Construction - Features a durable steel case with a baked enamel shell, heavy-duty clamps for both top- and side-terminal batteries, and a rubber-insulated carrying handle

• Initial Set-Up - During the first use of this tester, you will notice a little smoke and/or a burning smell, which is normal and will stop after a short burn-in period

• Complete Package - Includes (1) BT-100 Battery Load Tester and Voltmeter, (1) user manual