KONNWEI BK300 Car Battery Monitor & Electrical System Tester

Wireless & App-Enabled Monitoring
Seamlessly track battery health via the free KONNWEI app, providing real-time voltage, temperature, and charging status updates. No wiring hassle—ideal for DIY users and professionals.
Precision Engineering with Durable Build
High-grade ABS housing and corrosion-resistant electrodes ensure long-term reliability in extreme temperatures (-22°F to 185°F). Compact design fits most vehicle battery types (6V/12V/24V).
Multi-Scenario Compatibility
Perfect for cars, RVs, boats, and solar power systems. Prevents unexpected breakdowns by detecting weak batteries, alternator faults, and parasitic drains before failure.
Smart Alerts & Historical Data
Receive instant push notifications for abnormal readings. Review 30-day performance trends to optimize maintenance schedules.
Global Wholesale Advantage
Direct factory pricing ensures unbeatable value for bulk orders. Rigorous QC guarantees OEM-grade quality with every unit. Upgrade your diagnostics toolkit with this wireless, no-cut solution—effortless setup, pro-level accuracy.