FNIRSI BTM-24 2000A CCA Multi Function 12V/24V Car Battery Tester

The FNIRSI BTM-24 is a compact and professional automotive battery diagnostic tool designed for fast, accurate evaluation of 12V and 24V lead, acid batteries and charging systems. It delivers comprehensive battery health metrics, including voltage, internal resistance, cold cranking amps (CCA), and charging performance, directly on its built in color display. With support for multiple international test standards and a rugged design with safety protections, the BTM-24 is ideal for mechanics, fleet maintenance, and DIY car owners. 

Highlights:

• Precision battery health tester up to 2000A CCA.
• Works with 12V and 24V batteries.
• Supports multiple battery types (AGM, GEL, EFB, flooded).
• Measures voltage, internal resistance, CCA, SoH & more.
• 2.4″ full color display with day/night modes.
• Built in safety features (reverse polarity & overvoltage protection).
• Test in vehicle or on bench, no need to disconnect battery.

Specifications:

• Model: FNIRSI BTM-24.
• Battery System Support: 12V/24V.
• CCA Test Range: 0-2000A (selectable).
• Diagnostics: Voltage, CCA rating, internal resistance, State of Health (SoH), State of Charge (SoC), load response.
• Display: 2.4″ full color TFT (switchable day/night mode).
• Memory & Interface: Chinese & English language support.
• Operational Modes: In vehicle and bench testing.
• Safety: Reverse polarity alert, overvoltage protection.
• Physical Size: ~80.5×155.8×28.2mm.
• Weight: ~479g.
• Battery Types Supported: AGM (flat & spiral), GEL, EFB, standard flooded lead acid.

Ideal For:

• 🛠️ Automotive battery health diagnostics.
• 🚗 Garage & workshop battery testing.
• 🔋 Fleet maintenance & industrial battery checks.
• ⚡ Alternator and starter system analysis.
• 🔧 DIY car maintenance and home garage use.