KONNWEI BK300 Car Battery Monitor – Wireless Battery & Electrical System Tester

Advanced Real-Time Monitoring
Track battery voltage, current, temperature, and health via Bluetooth with the free BKmonitor app. Prevents sudden failures by detecting weak batteries or charging issues.
High-Precision Sensors & Durable Build
Military-grade aluminum alloy casing with IP65 waterproof rating. Industrial-grade chips ensure ±0.01V voltage accuracy for reliable diagnostics.
Wireless Convenience & Wide Compatibility
No wiring needed—clamp-on design fits 12V/24V lead-acid, AGM, gel, and lithium batteries. Ideal for cars, RVs, boats, and solar systems.
Smart Alerts & Long Battery Life
Instant push notifications for abnormal readings. Ultra-low power consumption extends the built-in battery lifespan to 2+ years.
Professional-Grade Tool for DIY & Fleet Use
Perfect for mechanics, truckers, or off-grid setups. Simplify maintenance and reduce downtime with pro-level insights.
Wholesale Advantage
Direct bulk pricing—global logistics support for resellers and workshops. Stock up on premium automotive tech at unbeatable rates.