Fenditools Battery Analyzer Monitor Tool All Auto Lead Acid Charging Cranking System BT 5.0 for IOS Android Long Term Data Test 12/24V

Know Your Battery's Health — Before It Lets You Down.

The KONNWEI BK300 is a professional-grade Bluetooth Battery Monitor that stays connected to your vehicle's battery 24/7, giving you real-time data and long-term analysis right from your smartphone.

Simply clip it on, pair via Bluetooth 5.0, and monitor everything from voltage waveforms to cranking and charging performance — all from the free BKmonitor app (iOS & Android).

Key Benefits

• 🔋 Always-On Monitoring — Detects under/over voltage and sends push notifications
• 📊 Long-Term Data Logging — Track battery performance trends over time
• ⚡ Cranking Test — Diagnose engine start issues by analysing voltage drop
• 🔌 Charging Test — Verify your alternator and charger are delivering the right voltage
• 📈 Waveform Analysis — View live voltage waveforms for in-depth diagnostics
• 📱 Wireless & App-Connected — Bluetooth 5.0 with BKmonitor app
• 🌐 Multi-Language Support — Language settings available in-app
• 🔧 Firmware Updatable — OTA updates via the app

Compatible Battery Types

• Flooded (Lead Acid), AGM Flat & Spiral, EFB, VRLA, GEL, Lithium

Compatible Vehicles

Car · Motorcycle · SUV · Pickup · Mower · Boat — and more.

Specifications

• Model: BK300 | Brand: KONNWEI
• Input Voltage: 3V – 60V DC, ≤3mA
• Supported Voltage: 12V / 24V
• Connectivity: Bluetooth 5.0
• App: BKmonitor (iOS & Android)

In the Box

• 1x KONNWEI BK300 Bluetooth Battery Monitor
• Connection leads (ring terminal + clamp)