Polar is rolling out firmware version 5.1.3 to select smartwatches and the February 2026 release promises better battery performance.

The update focuses on extending the wearable battery life by refining power management and display handling to reduce energy drain.

Ignite 3 users also receive a fix for a speed related bug along with other minor improvements in this stable release.

The February 2026 release notes describe improved stability and more reliable performance during daily activities and workouts.

This enhancement is ONLY AVAILABLE IN PAID PLANS.

Users are advised to connect to the Polar Flow app and install the latest firmware to experience the changes.

Polar continues its effort to deliver longer lasting batteries and smoother experiences across its lineup with ongoing updates.