Description
The FNIRSI BTM-24 Battery Tester is a compact diagnostic tool designed for fast checking of battery condition, cranking performance, charging status, and internal resistance. It supports 12V and 24V battery systems and is suitable for automotive, industrial, telecom, and maintenance applications.
Its 2.4-inch color display, wide battery compatibility, waveform display, and multiple battery test standards make it useful for quick and clear battery health analysis.
Key Features
- Supports 12V and 24V battery systems
- Measures voltage, internal resistance, CCA, SoC, and SoH
- Cranking, load, and charging system testing
- Supports AGM, GEL, EFB, and flooded lead-acid batteries
- Supports CCA, IEC, EN, DIN, JIS, and GB standards
- In-vehicle and out-of-vehicle testing
- Real-time waveform display
- 2.4-inch full-color screen
- Reverse polarity and overvoltage protection
- Heavy-duty insulated test clamps
- Compact and portable design
- Quick battery health status display
Specifications
| Specification | Details |
|---|---|
| Brand | FNIRSI |
| Model | BTM-24 |
| Product Type | Battery Tester |
| Voltage Support | 12V / 24V |
| CCA Test Range | 0–2000 CCA |
| Battery Types | AGM, GEL, EFB, Flooded Lead-Acid |
| Test Functions | Battery, Cranking, Load & Charging |
| Standards | CCA, IEC, EN, DIN, JIS, GB |







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