Features 1、AUTOMOTIVE BATTERY TESTER: Test all 12V 24V 100‑1999CCA batteries, including ordinary rich liquid, AGM flat plate, AGM spiral or colloidal batteries. Provide a holistic analysis of battery health to help you know the status of your battery before runs out 2、DISPLAY OVERALL BATTERY DATA: The 12V 24V battery load tester provides you with basic battery parameters such as voltage, internal resistance, cold start amplifier and AH capacity, battery health and charging status. In addition, the battery CCA tester will give you professional advice on replacing or recharging the battery 3、>99.5% ACCURACY: Thanks to the powerful intelligent chip, can provide more than 99.5% accurate test report in milliseconds, which greatly improves the test speed compared to other battery testers 4、PLUG AND PLAY: The battery load analyzer allows you to test the battery inside and outside the car, even when the battery is dead. Simply attach the tester clip to the battery, and will open and be ready to test and analyze the battery, very simple 5、WIDELY USED: Not only an excellent battery load tester that can test battery starting, but also can test the starting conditions of generator starter Specification Item Type: Car Battery Tester Detection Battery Type: 12V 24V starting acid battery Internal Resistance Measurement: Yes Discharge Current Measurement: Yes Battery Life Analysis: Yes Power Detection: Yes Startup Capability Check: Yes Battery Quality Check: Yes Lighting Function: Yes Car Startup Test: Yes Vehicle Load Measurement: Yes Range CCA: 100-1999 Capacity: 3AH to 250AH Test Method: Four wire Kelvin test method Battery Selection Criteria: STD, AGM, GEL, EFB, EN, I EC, CCA, SAE, DIN Screen Size: Approx. 55 x 57mm / 2.17 x 2.24in four color screen Power Supply Power Supply: Battery power supply or type c power supply Other Features: White backlight, overvoltage protection, reverse input protection Package List 1 x Battery Tester 1 x User Manual