Red LED Digital Display Voltmeter Mini Battery Tester Panel

High-Precision Monitoring
Features a bright red LED digital display for accurate real-time voltage readings (DC 12V). Advanced circuitry ensures ±0.1V precision, ideal for tracking battery health.
Durable & Compact Design
Built with high-quality ABS housing and corrosion-resistant metal terminals. Ultra-slim panel (mini size) fits seamlessly into tight spaces in cars, motorcycles, or DIY projects.
Dual-Function Power Hub
Integrated 5V/2A USB output powers smartphones or accessories while monitoring voltage. Supports simultaneous charging and voltage testing for streamlined use.
Wide Compatibility
Perfect for 12V automotive systems (cars, RVs, boats) and DIY power setups (solar panels, portable generators). Also compatible with motorcycles and ATVs.
Easy Installation
Tool-free setup with pre-drilled mounting holes and clear polarity markings. Plug-and-play design works instantly with standard 12V sockets or direct wiring.
Bulk Purchase Advantage
Lowest global wholesale pricing for bulk orders. Ideal for resellers, repair shops, or fleet managers needing reliable, cost-effective voltage monitoring.