1. Test all automotive cranking lead acid batteries, including ordinary lead acid batteries, flat plate batteries, spiral batteries, and gel batteries. 2. Directly detect bad cell batteries. 3. Polarity reverse connection protection; reverse connection will not damage the tester or affect the vehicle or battery. 4. Directly test batteries with loss of charge; no need to fully charge before testing. 5. Testing standards include the majority of the world's battery standards: BC1, CA, DIN, IEC, EN, SAE, GB. Note: Multiple language versions availableselect 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 Measurement Range: 830V DC Product Specifications: 1) Display: LCD, 2 lines, 8 characters, backlit 2) Operating Temperature: 0 to 50C (32 to 122F) 3) Storage Temperature: -20 to 70C (-4 to 158F) 4) Power provided via detachable heavy-duty OBD-II cable Color: Red Material: Plastic Package Contents: 1 x Battery Tester Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement error allowance is +/- 13 cm.