I Am Having Very Short Battery Life on My Venu Sq Watch

Battery life from a full charge for the Venu Sq and Sq Music should be similar to what is listed in the following FAQ: Venu Sq Series Battery Life Expectations

If you are experiencing battery life around 24 hours or less while in smartwatch mode your watch will need to be replaced.

You can request an exchange using the following tool:  Garmin's Online Exchange for the Venu Sq and Sq Music

IMPORTANT: The Garmin exchange tool is only available in select countries and an exchange fee may apply when submitting a request to replace your device. Refer to the drop-down list in the exchange link for details. Contact your local Garmin Product Support office for assistance if your country is not listed.