Battery Alternator /Tester/Volt Meter

The Schumacher BT55 Battery and Alternator Tester check your vehicle’s systems with digital accuracy. A great choice for testing 6V, 12V, and 24V batteries, as well as 12V alternators, the unit is compact, lightweight, and hand-held. Easy to use, it features simple controls, LED indicator lights, and an LCD screen with clear, readable results. Includes overvoltage and reverse polarity protection. Compatible with 12V SLI and VRLA, AGM, and gel batteries.

• COMPATIBILITY: Compatible with 12V alternators and 6V/12V/24V SLI and VRLA, AGM, and gel batteries
• ACCURATE TESTING: Hand-held, lightweight tester checks the state of battery charge and charging system output
• LCD SCREEN: LCD display interface with easy-to-read results
• LED INDICATORS: 2 LED indicator lights and simple button controls for ease of use
• SAFETY FEATURES: Over-voltage and reverse-polarity protection