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A USB power meter shows voltage, current and power so you can check chargers, cables and power banks.
This guide is built from Amazon product listings, not our own testing, so confirm specs, safety ratings and current price on each product page.
Prices are approximate US dollar conversions of what Amazon showed on October 31, 2026.
Last updated: October 31, 2026.
Quick Picks
| Product | Type | Best for |
|---|---|---|
| UMLIFE USB-C Tester Power Meter | USB-C power meter | 4-30V, 0-12A PD tester |
| YOJOCK USB-C Tester Power Meter | USB-C power meter | 4-30V, 0-6.5A |
| USB-C Tester Power Meter (4-30V, 0-12A) | USB-C power meter | PD tester multimeter |
| YEREADW USB-C Tester Power Meter 2-in-1 | USB-C power meter | Multimeter function included |
| Eversame 2-in-1 USB-C Tester | USB tester with color screen | Color LCD |
| Klein Tools ET920 USB Power Meter | USB-A and USB-C power meter | Known tool brand |
Our Picks
1. UMLIFE USB-C Tester Power Meter
A UMLIFE USB-C tester power meter, 4 to 30V and 0 to 12A, Type-C PD tester, per the listing. It was shown at about $10 on Amazon.com on October 31, 2026.
Good for: 4-30V, 0-12A PD tester. Watch out: lesser-known brand.
2. YOJOCK USB-C Tester Power Meter
A YOJOCK USB-C tester power meter, 4 to 30V and 0 to 6.5A, per the listing. It was shown at about $11 on Amazon.com on October 31, 2026.
Good for: 4-30V, 0-6.5A. Watch out: lesser-known brand.
3. USB-C Tester Power Meter (4-30V, 0-12A)
A USB-C tester power meter, 4 to 30V and 0 to 12A, Type-C PD digital multimeter, per the listing. It was shown at about $14 on Amazon.com on October 31, 2026.
Good for: PD tester multimeter. Watch out: lesser-known brand.
4. YEREADW USB-C Tester Power Meter 2-in-1
A YEREADW USB-C tester power meter with digital multimeter, 3.6 to 32V, per the listing. It was shown at about $17 on Amazon.com on October 31, 2026.
Good for: Multimeter function included. Watch out: lesser-known brand.
5. Eversame 2-in-1 USB-C Tester
An Eversame 2-in-1 Type-C USB tester with a color screen LCD digital multimeter, per the listing. It was shown at about $17 on Amazon.com on October 31, 2026.
Good for: Color LCD. Watch out: lesser-known brand.
6. Klein Tools ET920 USB Power Meter
A Klein Tools ET920 USB power meter for USB-A and USB-C, per the listing. It was shown at about $40 on Amazon.com on October 31, 2026.
Good for: Known tool brand. Watch out: higher price.
How to Choose
Voltage and current range
4 to 30V and up to 12A covers many PD chargers.
Display
Color screens are easier to read.
Connectors
Check USB-C and USB-A support.
Frequently Asked Questions
What does it show?
Voltage, amps and watts.
Cheapest?
UMLIFE.
Brand?
Klein ET920.
Bottom Line
For value, the UMLIFE. For a brand, the Klein ET920.
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