1.Test all automotive cranking lead acid battery, including ordinay lead acid battery, flat plate battery, spiral battery, and Gelbattery, battery, etc. 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 full charge before testing. 5. Testing standards include currently the world's majority of battery standards, , BC1, CA, , , DIN, IEC, EN. SAE. GB Note: There are language versions, just select the corresponding version when placing an order: A: (Asian version) (English, Simplified Chinese, Japanese, Korean) Main functions of BA101 batery 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 50C (-32 to 122 F) 3). Storage Temperature: -20 to 70C (-4 to 158 F) 4). Powerprovided via detachable heavy duty OBD Il cable Colour: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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.