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Sonoff POW Elite 16Amp is a power meter switch with an LCD screen and a newly upgraded ESP32 chip (200% faster than the previous chip). With an LCD screen, it can track your appliances’ power, current, and voltage in real-time and cumulative power consumption.

This SHIM provides a convenient way of powering your Raspberry Pi Pico from a LiPo/LiIon battery. You can recharge the battery easily by providing power to the Pico's USB port.

This USB-C Tester is a compact and accurate device for testing the voltage, current, and Power of your USB-enabled devices, including power banks and chargers. Get real-time information on the performance of your USB devices with this versatile tool.

We found this little unit great to measure our incoming solar power versus outgoing battery load on a second unit

This module is suitable for indoor use only. This is an entry level measuring solution. Do not expect 100% accuracy.