USB Charging Tester - Current & Voltage Detector

Precision Monitoring
Accurately measures voltage (3.5V-7V) and current (0-3A) with ±1% tolerance for reliable USB device diagnostics.
Durable Construction
High-grade ABS housing with fire-resistant PCB, reinforced solder joints for long-term use.
Universal Compatibility
Works with all USB-powered devices: smartphones, power banks, LED lights, and car chargers.
Real-Time Display
Bright OLED screen shows simultaneous voltage/current readings with auto-refresh for dynamic power tracking.
Compact & Portable
Pocket-sized design (48x28x14mm) with integrated plug-and-play connectors for field technicians and DIY users.
Safety Certified
Built-in overload protection and insulated casing meet CE/FCC standards for risk-free operation.
Bulk Order Advantage
Wholesale pricing available for repair shops, electronics distributors, and e-commerce resellers.