TOPDON BTMobile Pro | Bluetooth 12V/24V Battery & System Tester

A cutting-edge battery tester that connects via Bluetooth to your smartphone or tablet, delivering fast, accurate diagnostics for 12V and 24V lead-acid systems. Ideal for technicians, fleet operators, and DIYers, the BTMobile Pro offers SOH, SOC, CCA, cranking and charging tests, along with automatic report generation and a comprehensive BCI-based battery lookup library.

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Watch the official product video

Key Features

• Bluetooth wireless connection to Android/iOS devices

• Conductivity-based testing for fast & accurate results (100–2000 CCA)

• Tests: Battery state (SOC, SOH), Cranking & Charging Systems

• Works on both 12 V and 24 V batteries (cranking/charging tests on 24V)

• Built-in battery library with BCI-supported parameters

• Auto-test report generation and exportable results

• Spark-free clamps and reverse polarity protection for safe operation

• Lightweight and portable: approx. 300 g with long test cable

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Technical Specifications

• Operating Voltage: DC 9–30 V

• Battery Types: Flooded, AGM, GEL, EFB (12V & 24V system support)

• CCA Range: 100–2000 CCA (30–220 Ah equivalence)

• Connectivity: Bluetooth to mobile app (Android 7.0+, iOS 11.0+)

• Display: No onboard display – results viewed via connection

• Languages Supported: 10+ (e.g. English, Spanish, French, Japanese, Russian)

• Cable Length: ~556 mm

• Dimensions: 100 × 88 × 30 mm

• Weight: 300 g

• Safety: Reverse polarity, spark protection, over-temp protection

• Warranty: 1 year

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Compatibility

• Supports 12 V and 24 V lead-acid batteries

• Works with Android (7.0+) and iOS (11.0+) via dedicated Topdon app

• Supports all major battery types including flooded, AGM, GEL, EFB

• Do not confuse with BTMobile ProS—this model is standalone and does not support scan tool integration

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Functions & Features

• Battery testing: SOC, SOH, voltage, internal resistance, CCA

• Cranking system analysis: cranking voltage and cranking time

• Charging system testing: ripple voltage and charging output

• Automatic battery lookup for correct CCA and standards

• Generate detailed test reports via app

• Multi-language menu support

• Compact design with robust build quality

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Real-World Use Cases

• Auto shop diagnostics for battery, starter, alternator health

• Fleet maintenance for trucks or equipment using 24 V systems

• Mobile mechanics conducting remote battery checks and reporting

• DIYers diagnosing batteries before vehicle failure

• Battery retailers offering test-and-report service to customers

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Installation & Use

• Connect clamps to battery (device auto-detects voltage)

• Open the Topdon app and pair via Bluetooth

• Select test mode and start diagnostics

• View real-time results, save or export test reports instantly

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What’s in the Box

• 1 × TOPDON BTMobile Pro Tester

• 1 × EVA Carrying Case

• 1 × Spark-Free Heavy-Duty Test Cable

• 1 × Quick Start Guide