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CWFG(4) Device Drivers Manual CWFG(4)

cwfgCellWise CW201x fuel gauge

cwfg* at iic?

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.


The cwfg driver first appeared in OpenBSD 6.8.

The cwfg driver was written by Jared McNeill <> for NetBSD and ported to OpenBSD by Patrick Wildt <>.

June 10, 2020 OpenBSD-current