Cranking Charging Automotive Polarity Protection Review

【Charge The 12v Battery】Battery tester has two functions: testing and charging. Unlike other types of battery testers, our battery tester can both test and charge the vehicle battery. You can connect the household power supply to charge the car battery through the equipped 110V AC power plug, no built-in battery is needed, and the charging is fast and safe. 【Charging & Cranking & Battery Test】Car battery tester has three test functions, which can perform battery test, cranking test and charging test. It can help you analyze the health of the battery, determine whether the starter motor is working normally, and check and analyze the charging system, which will help you better Check and repair the vehicle. 【Smart Charging-Automatic Shutdown After Charging & Low Temperature Resistance】When the car battery is fully charged, the battery tester will automatically shut down to protect the battery from damage, and the battery tester automotive can work normally in the range of -20°C-50°C, has the characteristics of low temperature resistance, so that you can work normally in low temperature environment. 【Multi-Language Selection & Reverse Polarity Protection】Battery tester supports multiple languages,such as English,Russian,Italian,Chinese,German,and Japanese.You can choose one of them as the working language according to your needs.Battery maintainer is simple and safe to operate,it has reverse polarity protection.Even if the polarity is reversed, it will not damage the tester or affect the vehicle and battery,realize a safe connection and ensure the safety of itself and the machine. 【Test All 12V Vehicles & Wide Range Of Applicable Batteries】Car battery tester is suitable for all 12V vehicles and can test the starting system, charging system.It suitable for AGM flat plate batteries, AGM spiral batteries and GEL batteries.