Digital Car Battery Tester, LCD Analyzer for 12V, Compatible with All Batteries - Advanced Safety, Fast and Accurate Testing, Lightweight and Portable (Purple)

[Practical Design]: Large LCD screen, robust clamp, and audible signal for durable use, easy to read and handle. [Portable and Reliable]: Compact size, lightweight, shockproof, and stable performance, perfect for mobile diagnostics without taking up space. [Maximum Safety]: Reverse polarity and overvoltage protection, continuous testing without damaging the battery for ultra-safe use. [Comprehensive Testing]: Complete battery condition testing and analysis, including Life Rate, CCA, voltage, and resistance for reliable diagnostics. [Wide Compatibility]: Works with most 12V batteries, including AGM, gel, flood, and deep cycle, providing fast and accurate measurements.

Item Type: Battery Tester. Material: ABS. Color: As shown in the picture. Size: Approx. 13 x 6.2 x 2.8 cm / 5.1 x 2.4 x 1.1 inches. Weight: Approx. 261 g / 9.2 oz Input Voltage DC12V Test Elements: Voltage, Resistance, CCA, Battery Status Applicable Object: 12V Battery Wide Operating Range: CCA 100-1700 DIN: 100-1000 IEC 100-1000 EN: 100-1700 Battery Life Percentage: 80% - 100% Good 60 80 OK, Not Bad 40 60 Needs Attention 0 40 Bad, Replacement Required

How to Use 1. The analyzer is powered by the vehicle. For testing, tires must be properly secured during the test. (The red tire indicates the positive terminal and the black the negative terminal, which must be connected accordingly to the battery terminals. 2. Turn on the device. a. Press the power button for 1 second. b. The screen will light up, the alarm beep will sound "B". The screen will display moving numbers, all indicating a low warning index. c. Press "OK" to proceed to the CCA (Cold Cranking Ampere) value entry step. The third digit from the right will flash, indicating an adjustable function: UP (increase) or DOWN (decrease). Press UP DOWN (decrease) until the correct value is displayed, then proceed to the next step by pressing "SEL". e. The units digit: if the number is incremented by 5 each time, others are incremented by one unit. f. Once all steps are completed, press "OK" to start the process.)