Konnwei BK300 12V Battery Monitor – Ultimate Car Battery Analyzer for Android & iOS

Precision Diagnostics
– Advanced voltage & current sensors deliver real-time battery health data with ±0.5% accuracy, detecting weak cells, sulfation, and charging faults.
Multi-Platform Compatibility
– Seamless Bluetooth sync with Android/iOS via free Konnwei app (no subscription), featuring intuitive dashboards and historical trend graphs.
Rugged & Compact Build
– Military-grade ABS housing with silicone grips withstands garage drops; pocket-sized (85x55x25mm) for on-the-go mechanics.
12V/24V Dual Support
– Tests cars, trucks, motorcycles, boats, and RVs with 100-2000CCA range—ideal for cold cranking analysis.
Pro-Grade Alerts
– Instant push notifications for low voltage, excessive drain, or alternator failure—prevents roadside breakdowns.
Energy Efficiency Tracking
– Monitors parasitic drains down to 0.01A, perfect for diagnosing overnight battery drain in modern CAN-bus vehicles.
One-Click Reporting
– Generate PDF health reports with VIN logging for workshops, resale checks, or warranty claims.
Global Voltage Compliance
– Certified for 12V systems worldwide (SAE/JIS/DIN standards), including AGM, gel, and lithium-ion batteries.
Zero Power Drain
– Auto-sleep mode draws <0.1mA when idle—leave connected 24/7 without battery depletion.