1. Test all automotive cranking lead acid batteries, including ordinary lead acid battery, flat plate battery, spiral battery, and gel battery. 2. Directly detect bad cell battery. 3. Polarity reverse connection protection; reverse connection will not damage the tester or affect the vehicle and battery. 4. Directly test the battery with loss of electricity; no need to fully charge before testing. 5. Testing standards include BC1, CA, DIN, IEC, EN, SAE, GB. Note: Multiple language versions available; select the corresponding version when ordering: A: (Asian version) – English, Simplified Chinese, Japanese, Korean Main functions of BA101 battery tester include: battery test, cranking test, charging test, and other additional functions. Voltage Measure Range: 8–30V DC Product Specifications: 1) Display: LCD, 2 lines, 8 characters, backlit 2) Operating Temperature: 0 to 50°C (32 to 122°F) 3) Storage Temperature: -20 to 70°C (-4 to 158°F) 4) Power provided via detachable heavy-duty OBD-II cable Color: Red Material: Plastic Package Contents: 1 x Battery Tester Only the above package content; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. Measurement allowed error is +/- 1–3 cm.