UT673A battery tester

The UNI-T UT673A Battery Tester is a professional diagnostic tool designed for analyzing 12V lead-acid batteries and 12V/24V cranking and charging systems. It provides accurate and reliable test results for battery voltage, internal resistance, and remaining capacity, allowing users to assess battery health and overall performance without removing the battery from the vehicle.

This tester supports multiple international standards such as CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, and SAE, making it suitable for a wide range of vehicle batteries including AGM, GEL, EFB, and standard flooded types. The UT673A is equipped with a 128×64 LCD display, intuitive button interface, and real-time test feedback for efficient operation in workshops or garages.

Built with advanced four-terminal Kelvin connection technology, it ensures high accuracy in measuring internal resistance while offering comprehensive protection against over-voltage, reverse polarity, and poor terminal contact. Compact, portable, and user-friendly, the UT673A is an essential device for automotive professionals, fleet maintenance, and enthusiasts who demand precision and reliability in their battery diagnostics.

Key Features:

• Comprehensive Battery Testing: Accurately measures voltage, internal resistance, and battery health across 12V lead-acid systems.
• Cranking & Charging System Analysis: Tests both 12V and 24V vehicle cranking and alternator charging systems for performance verification.
• Supports Multiple Standards: Compatible with CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, and SAE test standards.
• Multi-Type Battery Compatibility: Works with flooded, AGM flat-plate, AGM spiral, GEL, and EFB battery types.
• Enhanced Protection: Integrated over-voltage, reverse polarity, and poor contact detection for safe operation.
• Intuitive LCD Display: 128 × 64 monochrome screen with clear test menus, battery status, and health indicators for easy interpretation.

Additional Details:

• Voltage Range: 7 – 30 V DC (Battery Test: 7–16 V DC; Crank/Charge Test: 7–30 V DC)
• Battery Capacity Range: 3 – 250 Ah
• Display: 128 × 64 LCD Monochrome
• Applicable Battery Types: Flooded, AGM, GEL, EFB
• Operating Temperature: 0 °C – 50 °C
• Protection: Over-voltage, Reverse Polarity, Poor Contact Detection
• Power Supply: Powered by the battery under test (no internal battery)
• Dimensions: 76 × 22 × 142 mm
• Weight: 264 g