KWS-V20 USB Battery Tester – 0.91in OLED Screen Compact

KWS-V20 USB Battery Tester – 0.91in OLED Screen Compact — A compact USB meter that measures voltage, current, power and capacity on a clear 0.91" OLED display. Designed for quick diagnostics of USB power sources and rechargeable batteries.

Features

• Compact 0.91" OLED screen for crisp real-time readings
• Measures voltage, current, power and capacity (mAh)
• USB inline design for easy plug-and-play testing
• Lightweight, pocket-sized for field or workshop use
• Ideal for troubleshooting chargers, power banks and USB devices

Technical Details

• Model: KWS-V20
• Display: 0.91 inch OLED
• Functions: Voltage, Current, Power, Capacity
• Battery Included: No
• Certification: CE
• Category: Electrical DIY supplies / USB meter
• Package includes: 1 × KWS-V20 USB Battery Tester

Warnings & Advice

• Do not expose to water or extreme temperatures.
• Use within USB voltage/current limits to avoid damage.

This tester simplifies power diagnostics: quickly verify charger output, monitor battery capacity during charging, and detect faulty cables or adapters. Its compact design improves workflow by letting technicians and hobbyists get reliable measurements without bulky equipment.

Perfect for electronics technicians, makers, and on-the-go diagnostics, backed by a satisfaction reliability guarantee. Add the KWS-V20 to your toolkit to speed up troubleshooting and ensure safe charging. Order now to streamline your projects — ideal for bench work, field checks, and everyday USB device testing. Used whenever you need fast, accurate USB power readings; comes with a 2-year warranty.