✓ UK Registered Business |
☉ Fast UK Dispatch |
☉ Money Back Guarantee |
↗ Responsive Service |
Whether you're testing chargers, checking power bank capacity, or diagnosing cable performance, this compact USB voltage current tester gives you accurate readings every time. The KWS-V20 meter displays voltage (4-20V), current (0-3A), capacity (mAh), and time (0-99 hours) with ±1% accuracy. Just plug it in between your charger and device — no external power needed. Perfect for electronics enthusiasts, DIYers, and professionals alike.
Multi-Function Display Displays voltage, current, capacity, time, and power — all your charging data at a glance. | |
Wide Range & Accuracy Measures 4-20V and 0-3A with ±1% accuracy — works with most USB chargers and power banks. | |
Capacity & Time Tracking Measures battery capacity in mAh and time up to 99 hours — perfect for power bank testing. | |
Plug & Play Portable No external power needed — just connect between charger and device. Compact size fits in your pocket. |
1 | Connect the tester Plug the USB tester into your charger, power bank, or USB port. |
2 | Connect your device Plug your phone, power bank, or other USB device into the tester. |
3 | Read the data View voltage, current, capacity, time, and power on the clear LCD display. |
✓ Consistent Fast Dispatch We process and dispatch orders within 1-2 business days, so you get your item without unnecessary delays. |
✓ UK Registered Company We are a registered UK company, committed to accurate listings and quality items for our customers. |
✓ Responsive Customer Service We reply to all messages within 24 hours. If you have any questions or issues, we're here to help. |
✓ eBay Money Back Guarantee Every purchase is protected by eBay's Money Back Guarantee — shop with total confidence. |
Order today for fast UK dispatch — get accurate charging data at your fingertips, backed by eBay's buyer protection.
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