Battery tester and electrical system analyzer for 12V car and motorcycle batteries, starter/alternator test for 24V systems. Touch display, integrated printer, ultra-low current draw during test (highly accurate, can repeat tests without battery drain). Safe: no sparks during clamping. Temp compensation, USB data, memory for 70 tests. For WET/EFB/AGM/gel/Ca batteries, 100A-2000A auto, 40A-600A moto. DC voltage accuracy ±1%. Reverse polarity protected. Thermo printer (57.5mm roll). Not ECE-approved, for diagnostic/workshop use only.