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Full machine-readable index: https://level-floor.bnr.la/llms.txt # FNIRSI BTM-24 2000A CCA Multi-Function 12V/24V Car Battery Tester **Brand:** FNIRSI **SKU:** BTM-24 **Price:** Available via Amazon — https://www.amazon.com.au/s?k=FNIRSI+BTM-24+2000A+CCA+Multi-Function+12V%2F24V+Car+Battery+Tester&tag=tech2have-22 **Category:** Bench Power & Battery Testers (https://level-floor.bnr.la/store/c/test-measurement-power-supplies.md) **URL:** https://level-floor.bnr.la/store/products/fnirsi-btm-24-2000a-cca-multi-function-12v24v-car-battery/ ## Description 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. Features Supports 12V & 24V Systems : Compatible with a wide range of vehicles and equipment. Multi-Battery Type Compatibility : Works with AGM (flat plate & spiral), GEL, EFB, and standard flooded lead-acid batteries. 6 International Battery Standards : CCA, IEC, EN, DIN, JIS, and GB for global accuracy. Comprehensive Diagnostics : Measures voltage, internal resistance, State of Charge (SoC), State of Health (SoH), CCA rating, and load performance. Two Testing Modes : In-vehicle (on-car) or out-of-vehicle (bench) testing—no battery removal needed. One-Tap Cranking Test : Captures real-time cranking voltage drop during engine start for instant starter system insight. Real-Time Internal Resistance Testing : Non-destructive method to assess battery aging and health in seconds. Dynamic Charging System Analysis : Monitors minimum, maximum, and fluctuating voltage under real-world alternator loads. Waveform Display : Visualizes voltage trends and load changes for intuitive diagnostics. 2.4" Full-Color TFT Screen : With switchable Day/Night (black/white) modes for optimal visibility in any lighting. Insulated Heavy-Duty Clamps : Ensure safe, secure, spark-free connections. Built-in Safety Protections : Reverse polarity alert and overvoltage protection safeguard both user and battery. All-in-One Design : Compact, portable, and ready for automotive, marine, industrial, and telecom applications. Instant Health Report : After one test, get clear pass/warn/fail status, life estimate, and actionable recommendations. Specifications Basic Parameters: Voltage Range 12V / 24V CCA Test Range 0 – 2000 CCA (Selectable) Screen Material 2.4-inch Color Screen Language Chinese, English Product Size 80.52*155.76*28.15mm Bare Weight ≈479g Battery Test Parameters: Battery life is low SOH: 0-60% Status: ❌Bad Battery life is average SOH: 60-80% Status: ⚠Attention Battery life is good SOH: 80-100% Status: ✔Good ※ Note: Before testing, turn off the engine and turn the key to the OFF position while the car is running. Startup Test Parameters: No Action Needed Cranking Voltage: ≥10.2V Status: ✔Good Monitor Battery Health Cranking Voltage: 9.6~10.2V Status: ⚠Weak Check Wiring / Charging System Cranking 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. Load Test Parameters: Battery & Charging OK Min Voltage: >13.4V (24V system >25.6V) Status: Normal Check Alternator belt / Wiring for Issues Min 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. Charging Test Parameters: Overvoltage - Check Regulator Max Voltage: >15.0V (24V system >30.0V) Undervoltage - Check Battery & Alternator Wiring Max Voltage: >13.3V (24V system >26.6V) Normal - Alternator Excellent Max Voltage: >13.9V (24V system >27.8V) Normal - Alternator Good Max Voltage: >13.7V (24V system >27.4V) Normal - Alternator Normal Max Voltage: >13.5V (24V system >27.0V) Normal - Check Alternator Condition Max Voltage: >13.3V (24V system >26.6V) Displacement Vehicle Test Parameters: Engine Displacement 1200~1600 CC Reference CCA Value: 350 Engine Displacement 1600~2000 CC Reference CCA Value: 500 Engine Displacement 2000~3000 CC Reference CCA Value: 650 Engine Displacement 3000 CC Up Reference CCA Value: 750 Package List: ◉ BTM-24 Host *1 ◉ User Manual *1 ◉ Data Cable *1 ◉ Storage Bag *1 --- Catalogue: https://level-floor.bnr.la/store/products.md · Index: https://level-floor.bnr.la/llms.txt · Questions/quotes: https://level-floor.bnr.la/contact/