Sale!

Features & Details

🚗 12V & 24V LEAD-ACID Tests standard flooded, AGM flat plate, AGM spiral, and GEL batteries for cars, trucks, and boats.
⚡ 40 TO 2000 CCA RANGE Evaluates cold cranking amps across major standards (CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE).
🔄 STARTER & ALTERNATOR Analyzes starter cranking voltage drop and alternator charging system ripple to diagnose electrical drains.
🛡️ REVERSE POLARITY ALARM Built-in short circuit, spark-free clamps, and reverse connection warning protect technicians.

About this item

Specification
UNI-T UT673A Details / Value

Measurement Ranges & Standards
Tested Capacity & Voltage
Capacity: 3 ~ 250AH  |  Voltage Range: 7 ~ 16V DC
Battery Standards Range
CCA: 40~2000  |  BCI: 40~2000  |  CA: 40~2000
MCA: 40~2000  |  EN: 40~2000  |  SAE: 40~2000
JIS: 26A17~245H52  |  DIN/IEC: 40~1400
Tested Battery Types
Regular Flooded, AGM Flat Plate, AGM Spiral, GEL, EFB Battery

Diagnostic Functions
System Tests
12V / 24V Cranking System Test  |  12V / 24V Charging System Test
Advanced Analysis
– Internal Resistance Measurement (Accuracy: ±1%rdg ±6dgt)
– Battery Life Status & Remaining Battery Capacity
– Quick AH Input Measurement

Hardware & Safety
Test Method & Display
Leads: 4-Terminal Kelvin test clips
Screen: Monochrome LCD Display (128*64 dot matrix)
Safety Protections
✓ Reverse Polarity Protection
✓ Overvoltage Input Protection
✓ Bad Contact Indication
Power & Environment
Power Supply: No internal battery needed (Powered by tested battery)
Operating Env: -20°C to 50°C (Humidity ≤90% RH)
Altitude: Operating below 2000m

Professional Electrical Diagnostics & Circuit Verification

UT673A Car Battery Tester, 12V/24V Automotive Load Analyzer & Charging System Tester Professional Series

Ensuring dependable accuracy during daily operations requires professional equipment engineered to withstand demanding laboratory and industrial environments. The UNI-T UT673A Car Battery Tester, 12V/24V Automotive Load Analyzer & Charging System Tester (40-2000 CCA) provides verified stability, user-friendly operation, and certified safety compliance across standard maintenance protocols. Discover our complete line of diagnostic and testing instruments in the Digital Multimeter catalog.

Comprehensive Testing Functions

Measures AC/DC voltage, current, resistance, capacitance, frequency, and rapid continuity with loud acoustic beeper feedback.

Smart User Features

Data hold freezes fluctuating values on screen, backed by automatic power-off and clear LED display backlighting in dark spaces.

💡

Testing Insight: CAT Rating Isolation in Electrical Multimeters

CAT III and CAT IV rated meters incorporate internal high-energy ceramic fuses and wide PCB creepage spacing to protect operators against explosive transient arc flashes.

Ordering & Model Verification

Verify voltage range, display counts, and included accessories before selecting your model in the right-side order box.

Related technical collections:
Digital Multimeter |
Digital Clamp Meter

Product guides and documents

UT673A User Manual (PDF)

FAQs

A: No, you do not need to charge it. Specifically, this device does not contain internal batteries. Instead, it is powered directly by the vehicle battery you are testing. Therefore, it is always ready for immediate diagnostic use.

A: Yes, you absolutely can. First, it tests 12V regular lead-acid cranking batteries perfectly. Furthermore, it easily performs comprehensive cranking and charging system tests on heavy 24V setups. Consequently, it is highly ideal for large trucks and boats.

A: Basically, the cranking test analyzes your starting motor. Specifically, it checks if the motor works properly under load. Meanwhile, the charging test evaluates your alternator’s output. Thus, it strictly prevents battery damage caused by dangerous overcharging.

A: Fortunately, it will not break at all. We engineered this tool with strict reverse polarity protection. Consequently, crossing the positive and negative cables will not damage the internal circuitry. Ultimately, it ensures complete safety during fast inspections.

UNI-T UT673A Car Battery Tester, 12V/24V Automotive Load Analyzer & Charging System Tester (40-2000 CCA)

Original price was: $55.99.Current price is: $51.99.

6–12 Month Warranty

Repair & Refund support available for most products.

Free Worldwide Shipping

Ships within 3 business days.

Taxes & Duties

Buyer responsible for local import fees.

24/7 After-Sales Support

Technical assistance & video guidance within 24h.

UNI-T UT673A Car Battery Tester, 12V/24V Automotive Load Analyzer & Charging System Tester (40-2000 CCA)

Sale!

Original price was: $55.99.Current price is: $51.99.

Features & Details

🚗 12V & 24V LEAD-ACID Tests standard flooded, AGM flat plate, AGM spiral, and GEL batteries for cars, trucks, and boats.
⚡ 40 TO 2000 CCA RANGE Evaluates cold cranking amps across major standards (CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE).
🔄 STARTER & ALTERNATOR Analyzes starter cranking voltage drop and alternator charging system ripple to diagnose electrical drains.
🛡️ REVERSE POLARITY ALARM Built-in short circuit, spark-free clamps, and reverse connection warning protect technicians.

Specification
UNI-T UT673A Details / Value

Measurement Ranges & Standards
Tested Capacity & Voltage
Capacity: 3 ~ 250AH  |  Voltage Range: 7 ~ 16V DC
Battery Standards Range
CCA: 40~2000  |  BCI: 40~2000  |  CA: 40~2000
MCA: 40~2000  |  EN: 40~2000  |  SAE: 40~2000
JIS: 26A17~245H52  |  DIN/IEC: 40~1400
Tested Battery Types
Regular Flooded, AGM Flat Plate, AGM Spiral, GEL, EFB Battery

Diagnostic Functions
System Tests
12V / 24V Cranking System Test  |  12V / 24V Charging System Test
Advanced Analysis
– Internal Resistance Measurement (Accuracy: ±1%rdg ±6dgt)
– Battery Life Status & Remaining Battery Capacity
– Quick AH Input Measurement

Hardware & Safety
Test Method & Display
Leads: 4-Terminal Kelvin test clips
Screen: Monochrome LCD Display (128*64 dot matrix)
Safety Protections
✓ Reverse Polarity Protection
✓ Overvoltage Input Protection
✓ Bad Contact Indication
Power & Environment
Power Supply: No internal battery needed (Powered by tested battery)
Operating Env: -20°C to 50°C (Humidity ≤90% RH)
Altitude: Operating below 2000m

Professional Electrical Diagnostics & Circuit Verification

UT673A Car Battery Tester, 12V/24V Automotive Load Analyzer & Charging System Tester Professional Series

Ensuring dependable accuracy during daily operations requires professional equipment engineered to withstand demanding laboratory and industrial environments. The UNI-T UT673A Car Battery Tester, 12V/24V Automotive Load Analyzer & Charging System Tester (40-2000 CCA) provides verified stability, user-friendly operation, and certified safety compliance across standard maintenance protocols. Discover our complete line of diagnostic and testing instruments in the Digital Multimeter catalog.

Comprehensive Testing Functions

Measures AC/DC voltage, current, resistance, capacitance, frequency, and rapid continuity with loud acoustic beeper feedback.

Smart User Features

Data hold freezes fluctuating values on screen, backed by automatic power-off and clear LED display backlighting in dark spaces.

💡

Testing Insight: CAT Rating Isolation in Electrical Multimeters

CAT III and CAT IV rated meters incorporate internal high-energy ceramic fuses and wide PCB creepage spacing to protect operators against explosive transient arc flashes.

Ordering & Model Verification

Verify voltage range, display counts, and included accessories before selecting your model in the right-side order box.

Related technical collections: Digital Multimeter | Digital Clamp Meter

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