The Keweisi KWS-10VA Dual USB Tester is a compact tool that measures and assesses the charging capabilities of two devices. It can accurately gauge voltage (3-8 volts) and current (0-3 amps) when connected to a charger, power bank, PC, laptop, etc. The clear display provides instant readings of voltage and amperage, allowing you to determine the optimal charging speed and identify any potential limitations caused by the charger or cable.

Specifications:

• Voltage : 3V-8V, ± 1%
• Current : 0-3A, ± 1%
• Connectors: USB 2.0 Male x1, USB 2.0 Female x2
• Size : Approx. 60x15x28mm
• Package includes : 1 x KWS-10VA Tester