FNIRSI Car Battery Tester 12/24V Electric Vehicle Battery Life Voltage Capacity Internal Resistance Tester

Real-time monitoring of battery internal resistance and performance

Accurate evaluation of battery health and lifespan

Dynamic tracking of minimum and maximum voltage to assess battery and alternator response under varying loads and engine speeds

Waveform display for intuitive visualization of load and charging data changes

Safety features including reverse polarity protection, overvoltage protection, and input interface safeguards

Fully insulated, durable clamps with strong grip and minimal damage risk

Non-destructive battery measurement with quick battery type setting and one-step status detection

2.4-inch high-definition TFT color screen with black and white mode options for clear, glare-free display

Integrated foldable stand and back hanging hole for stable support and convenient storage

Cable-integrated design with approximately 61cm wire length and fully wrapped crocodile clips for secure connection

Battery voltage (e.g., 14.10V, 14.40V)

Load voltage and minimum voltage thresholds (e.g., normal load voltage >13.4V for 12V system, >25.6V for 24V system)

Start voltage thresholds (normal >10.2V, abnormal <9.6V)

Charging voltage parameters (max voltage >15.0V for 12V, >30.0V for 24V systems)

Battery internal resistance and health percentage (0-60% low life, 60-80% average, 80-100% good)

Cold start current up to 2000A

Battery life measurement

Engine start failure diagnosis

Battery charging issues

Vehicle power decline detection

12V 60Ah battery with CCA 500A (EN standard 300A)

12V 60Ah battery with DIN 250A

12V 60Ah battery with JIS# 200-220A

CCA reference values based on engine displacement (e.g., 350A for 1200-1600cc, 750A for >3000cc)

1. BTM-24 Battery Tester

2. User Manual

3. TYPE-C Charging Cable

4. Storage Bag