DC8V-100V Waterproof Alarm Battery Tester – LED Digital Voltmeter with Precision Monitoring

High-Accuracy Voltage Detection
Features a premium LED digital display with ±0.5% precision for real-time battery voltage readings from DC8V to 100V, ensuring reliable performance for automotive, marine, and solar power systems.
Rugged Waterproof & Dustproof Design
Built with industrial-grade ABS casing and IP65-rated sealing, resistant to harsh weather, moisture, and vibrations—ideal for outdoor and off-grid applications.
Wide Compatibility & Easy Installation
Supports 12V/24V/36V/48V/72V batteries with universal wiring terminals. Compact, low-profile design integrates seamlessly into dashboards, control panels, or battery compartments.
Overvoltage Alarm & Energy-Saving
Integrated audible/visual alarm triggers when voltage exceeds safe thresholds. Ultra-low power consumption (≤10mA) extends battery life without draining power sources.
Professional-Grade Durability
High-temperature resistant PCB and military-standard solder joints ensure long-term stability, making it essential for electric vehicles, RVs, forklifts, and backup power systems.
Bulk Order Advantage
Direct factory pricing with scalable wholesale quantities—trusted by global distributors for consistent quality and unbeatable value.