DUOYI DY219 12V Digital Car Battery Tester AH CCA Voltage Current Battery Load Analyzer Multifunction Diagnostic Car Repair Tool

Product Description

• This battery tester is used for lead-acid starting battery, along with checking the following conditions of the battery, starting up, charging, and loading.
• With great design, easy operation, precise reading, complete functions, this tester supply the readings by a large LCD and hints by sound and light when testing.
• It utillizes 4-wire Kelvin method to complete collection of a series of complicated data for calculating every testing data with build-in precise circuit and improved digital processor.
• Some circuit improvements including polar reversal protection, over voltage input protection, loose lead detection, ensure safety and convenience during testing.
• This is the best tool in the fields of battery sales, vehicle repair and battery inspection in equipment system associated with lead-acid starting battery.