Mini Base Board (A) for Raspberry Pi CM5 _MAKE_POWER_BANK You can also use this

You can also use this sensor to measure any kind of variable resistor that has about 1Kohm of resistance (but can range from half to double that)

A properly configured shield can read the IOREF pin voltage and select the appropriate power source or enable voltage translators on the outputs for working with the 5V or 3

If the command above doesn't work for you

Rechargeable 700mAh lithium battery with up to 3 months runtime (hourly uplinks)

The Sabertooth 2X25 is one of the most versatile

Mini Base Board (A) for Raspberry Pi CM5 _MAKE_POWER_BANK You can also use thisThe Waveshare Mini Base Board (A) is an expansion board for the Raspberry Pi Compute Module 5 (CM5) that offers a range of features packed onto a compact carrier, allowing extensive prototyping or general breakout usage of your CM5. Key features include 2x USB 3. 2 Gen1 ports, a full size HDMI port, a second HDMI port via FFC, Gigabit Ethernet, RTC battery holder and PCI e interface. MIPI DSI and CSI connectors enable display and camera integration,