Since 1947, Schumacher Electric Corporation has been leading change and driving performance to exceed its customers’ expectations. Engineered patent-pending technologies and award-winning marketing makes Schumacher the brand of choice. Schumacher’s legacy is its commitment to quality and exceptional customer service. Schumacher brings experience, innovation and excellence to the next generation of battery maintenance... the #1 name in battery chargers around the world.


The BT55 battery tester by Schumacher is designed for testing the battery's state of charge and charging system output. It is quick and easy to use and allows you to check the voltage of either the battery or alternator and get a quick diagnosis if there is a problem with the charging system of your vehicle. The BT55 is suitable for testing the batteries on cars, boats, motorbikes and vans. 


  • Accurate, easy-to-read LCD screen. 
  • Checks the battery, alternator systems. 
  • Two LED Indicators. 
  • Overvoltage Protection. 
  • Reverse Polarity Protection. 
Specification Value
Battery Types  SLI & VRLA/AGM/GEL
LCD Display Accurate, Easy to Read
Colour Black
Dimensions 121mm L x 70mm W x 20mm D
Instructions On back of the unit - Battery & Alternator Testing
LED Indicators 4
Material Lightweight Plastic
Over-Voltage Protection Yes
Reverse Polarity Protection Yes
Type Voltmeter - Tests 6/12/24v batteries
Warranty 1 Year


Brand Schumacher

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