leagend BM901 is a reliable tool for diagnosing battery health and charging system performance. It provides real-time voltage readings, displaying battery status as LOW, MID, or FULL, so we can easily assess the battery’s power.
Additionally, leagend BM901 tests the charging system, showing charging voltage and status as LOW, CHARGE, or OVER, ensuring the alternator and charging system are functioning properly.
leagend BM901 is designed with reverse connection protection and a built-in fuse for safe and secure operation. Ideal for both professionals and DIY users, it ensures accurate, efficient diagnostics for vehicle electrical systems.
MULTIPLE
BATTERY TESTER
● Test battery power;
● Test charging system;

REAL-TIME DISPLAY
● Real-time display voltage and battery test results LOW/MID/FULL;
● Real-time display of charging voltage and charging test result: LOW/CHARGE/OVER;
REPLACEABLE CABLE
12V DC Cigarette plug cable can be replaced to alligator clamp cable for testing;
BUILT-IN PROTECTION SYSTEM
Built-in protection for short circuit and reverse connection;