leagend BA550 is a reliable tool designed for comprehensive diagnostics of lead-acid batteries and vehicle electrical systems. It supports 6V and 12V batteries, testing CCA (cold cranking amps), internal resistance, voltage, state of charge (SoC) and state of health (SoH). leagend BA550 also evaluates the vehicle's starting and charging systems, ensuring everything functions properly.
ALL-IN-ONE
BATTERY TESTER
● Test the 12V/6V Lead-acid Battery CCA (cold cranking amps), internal resistance, voltage, state of charge (SoC), state of health (SoH);
● Test the 24V/12V vehicle starting system and charging system;

ONE-KEY QUICK TEST
One-key quick test function for batch battery continuous test or real-time voltage curve;
REAL-TIME DISPLAY
Real-time voltage curve graphic display, can be saved up to 120 seconds and played back;
SAVE RECORDS
Can save up to 1400 historical test records, including battery test, starting test, charging test and voltage curve, 350 each;
BUILT-IN LED LIGHTS
Built-in LED lights for battery and system status;