Multifunctional USB Tester KWS-A16 – Precise & Compact Power Analysis Tool

High-Precision Measurement
– Accurately monitors voltage (3.0V-9.0V), current (0-5A), capacity (0-9999mAh), and charging time with ±1% error tolerance for reliable diagnostics.
Durable ABS + PC Shell
– Shock-resistant composite housing with polished edges ensures longevity and a sleek, pocket-friendly design (60x24x12mm).
Wide Compatibility
– Works with USB-A/C ports, power banks, car chargers, and fast-charging adapters (QC/PD protocols supported). Ideal for engineers, DIY enthusiasts, and gadget maintenance.
Real-Time Data Display
– Bright OLED screen shows simultaneous readings (voltage/current/capacity) with auto-sleep to conserve energy.
Plug-and-Play Simplicity
– No software setup; instantly tests cable resistance, identifies faulty chargers, or verifies power bank health.
Bulk Order Advantage
– Global wholesale pricing with MOQ flexibility for resellers and tech retailers.
Note
– Includes built-in overcurrent protection; not compatible with USB 3.1 Gen2/Thunderbolt ports exceeding 5A.