Mini USB Charger Doctor Voltage Current Meter

Precise Real-Time Monitoring
– Accurately measures voltage (3.5V–7.0V) and current (0–3A) with a high-resolution LCD screen for reliable power diagnostics.
Durable & Compact Design
– High-quality ABS shell with reinforced solder joints ensures long-lasting performance in a pocket-sized (48×28×14mm) build.
Multi-Device Compatibility
– Works with smartphones, power banks, tablets, and other USB-powered gadgets for charging optimization and battery health checks.
Effortless Plug-and-Play
– No setup required; instantly connects via USB-A or micro-USB ports to analyze charging efficiency and detect faulty cables/adapters.
Essential for Tech Enthusiasts
– Ideal for troubleshooting slow charging, verifying power output, or testing DIY electronics projects with professional-grade precision.