The FNIRSI BTM-24 checks 12V and 24V lead-acid, AGM, GEL, EFB and lithium starter batteries in seconds. It measures voltage, internal resistance, CCA, state of charge and state of health, then gives a clear good/attention/bad verdict.
It also runs a cranking test and a charging-system test so you can tell a weak battery from a bad alternator. It supports CCA, IEC, EN, DIN, JIS and GB ratings up to 2000 CCA and shows results on a 2.4-inch colour screen.
Key Features
- 🔋 12V and 24V systems lead-acid, AGM, GEL, EFB
- 📊 CCA up to 2000 6 rating standards
- ❤️ SOH, SOC and internal resistance with pass/warn/fail report
- 🚗 Cranking and charging-system tests with waveform display
- 🛡️ Reverse-polarity and over-voltage protection insulated clamps
Technical Specifications
| System voltage | 12V / 24V |
|---|---|
| CCA range | 0 – 2000 CCA |
| Standards | CCA, IEC, EN, DIN, JIS, GB |
| Tests | Battery health, cranking, load, charging |
| Display | 2.4" colour, day/night mode |
| Size | 80.5 × 155.8 × 28.2 mm |
| Weight | ≈479 g |
What's in the Box
- 1 × BTM-24 tester
- 1 × user manual
- 1 × data cable
- 1 × storage bag