Power meters for measuring real loads
Choose a meter made for the exact AC, USB, DC or battery path, confirm its safety rating, then measure running watts and energy over a realistic cycle.
Shelly Plug S Gen3
AC meter · 220–230V · Type E/F sockets · measures AC voltage, current, power and energy · Up to 12A / 2,500W resistive load. Measuring the running watts and watt-hours of European plug-in appliances over a realistic cycle.
Shelly Plug US Gen4
AC meter · 120V · Type A/B sockets · measures AC power and energy · Up to 15A / 1,800W. Measuring North American plug-in appliances and logging consumption through a complete operating cycle.
Klein Tools ET920 USB Digital Meter
USB meter · USB-A and most USB-C power paths · measures Voltage, current, capacity, energy and calculated resistance · 3–20V DC · up to 3A USB-A / 5A USB-C. Checking phone, tablet and compatible USB-C charging energy without opening a mains circuit.
Victron Energy SmartShunt 500A/50mV
DC meter · Installed 6.5–70V DC battery systems · measures Battery voltage, current, amp-hours, state of charge and time-to-go · 500A shunt class · 6.5–70V DC supply. Installed vehicle, boat or cabin battery systems where total DC charge and discharge must be measured over time.
United Kingdom market status
The record above is shared technical content from the international edition, not proof of a United Kingdom retail offer. For the any product listed in this library, confirm the exact 230V/50Hz Type G execution, supplied mains lead and socket layout, model suffix, UK certification, warranty and local support before purchase. No UK price in pounds sterling, stock, retailer, warranty or affiliate offer is verified yet, and no buying link is active.
UK status: commerce closed. No verified retailer, price, stock, warranty or affiliate offer is active until final technical and native editorial review.