---
name: "cwfg"
section: "4"
platform: "openbsd"
package: "man"
version: "8.0-current-20261101"
release: "OpenBSD 8.0-current (2026-11-01)"
platforms: ["openbsd"]
url: "https://new.carta.tech/cwfg"
---

# cwfg(4)

CellWise CW201x fuel gauge

## NAME

**cwfg** – CellWise CW201x fuel gauge

## SYNOPSIS

**cwfg\* at iic?**

## DESCRIPTION

The **cwfg** driver provides support for the CellWise CW201x fuel gauge. It reads the current battery voltage, capacity and remaining minutes and provides the information to the user via the sensors framework.

## SEE ALSO

[iic(4)](/iic/4.md)

## HISTORY

The **cwfg** driver first appeared in OpenBSD 6.8.

## AUTHORS

The **cwfg** driver was written by Jared McNeill ⟨*jmcneill@invisible.ca*⟩ for NetBSD and ported to OpenBSD by Patrick Wildt ⟨*patrick@blueri.se*⟩.