Elecraft KX3 firmware v1.08

Elecraft · Released Jul 6, 2012 · First seen Sep 14, 2026

Source: elecraft.com

v1.08 is not the latest firmware for the Elecraft KX3: the current version is v3.02 (April 8, 2022). Go to v3.02

In short — summary by updatemystuff.com

Battery voltage reading added to display rotation; charging status indicated by asterisk.

  • Battery voltage reading added to display rotation
  • Asterisk indicates when battery is charging
  • N/A displayed when KXBC3 battery not installed

Written from Elecraft's release notes, which are printed in full below.

Was this useful?

What's in this update

MCU 1.08 / DSP 0.93

  • KXBC3 BAT VOLTAGE READ ADDED. Appears right after supply voltage in DISP rotation. The two displays are now (for example): "PS 13.9V" and "BT 10.0V" (or "BT N/A" if no KXBC3). If the battery ​is presently being charged, the battery voltage display will include an asterisk, e.g. “BT* 10.0V”.

updatemystuff.com never hosts firmware files — always download from the official source.

Get it from Elecraft

Watch the KX3 for updates

Create a free account and get an email the moment Elecraft publishes new firmware.

Create account & watch

Other versions for this product

See the full firmware history for the KX3