PwrTool 500

Pre-Launch on
Crowd Supply!

A 500-Amp shunt for 12-48v battery powered Home Assistant installs. Pre-loaded ESPHome firmware allows quick deployment and unencumbered hackability.

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The front of the FLIP_C3 shown at an angle on a transparent background. Clearly seen is the ESP32-C3-Mini-1 module, a two position spring release connector, and a USB-C connector.


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up to 5v2a from 50+vdc

The only ESP32 with a built-in DC buck converter! Easy deploy on up to +50vdc battery systems. Shipped with ESPHome.