About this product

Easy Operation】- Connect and Go. It provides a quick reading to determine if a vehicle battery needs a jump or replacing and also the alternator output status. Various Colored LEDs indicate the battery or the alternator status.

【Safety Ensured】- Reverse-hookup and Over-voltage protection, making it safe and simple to use. The Digital Voltmeter Testing Range: 4-20V DC. 【If the voltage is under 4volts, the screen will display - "LO"; Above 20volts, the screen will display - "HI"】

【High Accuracy】- With a Four-character lighted digital display, the voltage testing accuracy will be close to 0.01volt. 【NOTE: Verify the counterfeit with only 3-character display. The accuracy is only 1/10 of ours.】

Micro-processor Controlled. It provides a quick reading to determine if a vehicle battery needs a jump or replacing.

Reverse-hookup and over-voltage protection, making it safe and simple to use

With a four-character lighted digital display, this battery voltage tester is easy to read with accuracy.

Colored LEDs indicate battery or alternator status