- High-precision USB tester accurately measures current (0-5A), voltage (3-7V), and capacity (0-9999mAh) with 0.001A/0.001V resolution for professional diagnostics
- Military-grade aluminum alloy casing with CNC machined edges ensures durability and heat dissipation during extended testing sessions
- OLED display with crisp 0.96" screen provides real-time data visualization for power banks, chargers, and battery packs
- Plug-and-play operation requires no external power, featuring gold-plated USB connectors for optimal conductivity
- Multifunctional application: verify charger output, test power bank capacity, monitor solar panel USB output, or diagnose car charger issues
- Compact 48×24×12mm design with built-in 500mAh backup battery maintains settings during device swaps
- Professional toolkit essential for electronics engineers, DIY enthusiasts, and quality control teams in wholesale environments
- Patent-pending dual-chip architecture enables simultaneous current/voltage tracking with ±0.5% measurement accuracy
- Automatic sleep mode preserves battery life when idle, with wake-on-motion activation via built-in accelerometer
- CE/RoHS certified with premium silicone buttons rated for 100,000+ presses under industrial testing conditions






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Current Voltage Detect USB Current Voltage Capacity Tester Volt Charger Capacity Tester Meter Mobile Power Detector Battery Test
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