Klein Tools ET910 USB Power Meter and Tester
USB-A power meter for voltage, current, capacity, energy, resistance. Provides continuous monitoring for up to 1000 hours with built-in test loads. Mixed feedback on accuracy and USB-C functionality
Highlights
- built-in test loads without external gear
- continuous monitoring for hours
- multi-parameter measurement (V, A, capacity, energy, resistance)
Pros
- built-in test loads
- continuous voltage monitoring
- monitors multiple electrical metrics
- compact USB-A power meter
Cons
- mixed accuracy and data reliability
- USB-C port malfunctions reported
- some users report limited measurement depending on port
Best For
Features
- 3 to 20V DC; Current 0. 05 to 3A (monitoring mode)
- Built-in test loads of 0. 5A
- 1A
- 2A
- and 3A; no external test load required
- Continuously monitor up to 1000 hours of voltage
- current
- capacity/charge delivered
