The professional battery test and diagnostic device BM550 (6V, 12V, 24V) features a multifunctional intelligent digital display and is suitable for cars, motorcycles and electric vehicles.

Is your car not starting? Is your motorcycle battery dead? Is your electric vehicle losing range? The intelligent, multifunctional BM550 battery tester is suitable for all battery types (6V/12V/24V). It quickly diagnoses the battery's condition, starting capacity, and state of charge, helping you determine whether a replacement is needed – preventing an embarrassing breakdown on the road. 【Wide Voltage Compatibility, Multifunctional】 Supported voltages: 6V/12V/24V. Compatible batteries: Conventional lead-acid batteries, AGM batteries, EFB batteries, lithium batteries. Compatible vehicles: Cars, motorcycles, electric vehicles, trucks, boats, lawnmowers, ATVs, etc. Multifunctional: Test all vehicle batteries with a single device. 【Intelligent Detection, Comprehensive Diagnostics】 Condition check: Determines the remaining battery life and whether a replacement is necessary. Starting power test: Simulates the starting current to check if the battery can start the vehicle normally. Charge state test: Checks the proper functioning of the alternator. Internal resistance measurement: Determines the battery's condition by measuring its internal resistance. Voltage display: Shows the current battery voltage in real time.