Professional 12V Battery Tester BM2 4.0 – Precision Monitoring for Optimal Performance

Advanced Digital Analyzer
Features high-precision voltage detection (0.01V resolution) and real-time monitoring for 12V lead-acid, AGM, gel, and lithium batteries. The rugged ABS casing ensures durability in harsh environments.
Smart Diagnostic Tool
Instantly evaluates battery health (SOC, voltage, internal resistance) with 95% accuracy. Integrated backlit LCD provides clear visibility in low-light conditions for workshops, garages, or roadside emergencies.
Seamless Real-Time Tracking
Compact design (78x44x18mm) with ultra-low power consumption. Built-in magnetic mount allows hands-free placement on vehicles, boats, or solar power systems during diagnostics.
Multi-Application Compatibility
Ideal for automotive technicians, fleet managers, and DIY enthusiasts. Supports testing on cars, motorcycles, RVs, and marine batteries—ensuring reliable starts and prolonged battery life.
Plug-and-Play Efficiency
No setup required—direct OBD2 port connection or alligator clips for instant readings. Includes auto-sleep mode to conserve energy when inactive.
Wholesale Advantage
Direct bulk pricing from global supplier—premium quality at unbeatable rates. Stock up for workshops or resale with guaranteed cost efficiency.