
FNIRSI® BTM-24 2000A CCA Multi-Function 12V/24V Car Battery Tester
16000
DZD20000DZD
1
◉ 2000A CCA Precision Tester for 12V/24V batteries
◉ Tests All Major Battery Types: AGM, GEL, EFB, Flooded
◉ One-Step Health Check: Instant SoH, CCA & internal resistance in seconds
◉ Real Cranking & Charging Analysis
◉ 6 Global Standards Supported: CCA/IEC/EN/DIN/JIS/GB
◉ In-Vehicle Testing: No need to disconnect the battery
◉ 2.4" Color Screen with Day/Night Mode
◉ Safe & Smart: Reverse polarity & overvoltage protection built-in
The FNIRSI BTM-24 Battery Tester is a compact, professional tool for fast and accurate battery health checks. It measures voltage, internal resistance, CCA, startup performance, load response, and charging system status—all in seconds. Supporting 12V/24V lead-acid, AGM, and lithium batteries with six international standards (CCA, IEC, EN, DIN, JIS, GB), it's perfect for automotive, industrial, and telecom use. The 2.4" color screen delivers clear, real-time results—no guesswork, just reliable diagnostics.
Voltage Range12V / 24VCCA Test Range0 – 2000 CCA (Selectable)Screen Material2.4-inch Color ScreenLanguageChinese, EnglishProduct Size80.52*155.76*28.15mmBare Weight≈479g
Battery life is lowSOH: 0-60%
Status: ❌BadBattery life is averageSOH: 60-80%
Status: ⚠AttentionBattery life is goodSOH: 80-100%
Status: ✔Good
※ Note: Before testing, turn off the engine and turn the key to the OFF position while the car is running.
No Action NeededCranking Voltage: ≥10.2V
Status: ✔GoodMonitor Battery HealthCranking Voltage: 9.6~10.2V
Status: ⚠WeakCheck Wiring / Charging SystemCranking Voltage: <9.6V
Status: ❌Low
※ Note: Before testing, turn off the engine and turn the key to the OFF position while the car is running.
Battery & Charging OKMin Voltage: >13.4V (24V system >25.6V)
Status: NormalCheck Alternator belt / Wiring for IssuesMin Voltage: >12.8V (24V system >25.6V)
Status: Low Voltage
※Note: Before the test, start the car, select the load test mode, press the OK button, increase the speed to 2000~2500, and then press the OK button to obtain the measurement results.
Overvoltage - Check RegulatorMax Voltage: >15.0V (24V system >30.0V)Undervoltage - Check Battery & Alternator WiringMax Voltage: >13.3V (24V system >26.6V)Normal - Alternator ExcellentMax Voltage: >13.9V (24V system >27.8V)Normal - Alternator GoodMax Voltage: >13.7V (24V system >27.4V)Normal - Alternator NormalMax Voltage: >13.5V (24V system >27.0V)Normal - Check Alternator ConditionMax Voltage: >13.3V (24V system >26.6V)
Engine Displacement 1200~1600 CCReference CCA Value: 350Engine Displacement 1600~2000 CCReference CCA Value: 500Engine Displacement 2000~3000 CCReference CCA Value: 650Engine Displacement 3000 CC UpReference CCA Value: 750








