Hii
Can anyone suggest the what is the best way to extend the battery life of my ruuvi tag when using it for outdoor monitoring?
thanks 
Hi @Nora ,
Thank you for your message! When using the sensors with the provided CR2477 battery, they typically last for 12 to 24 months under normal usage and conditions.
If you are an advanced user and interested in running an alternative RuuviTag firmware version on your device, we also offer a “longlife” version.
The firmware can be installed using nRF Connect app, the guide to update the firmware using your Android or iOS mobile device can be found here, under “Update your RuuviTag firmware using nRF Connect (Advanced)”:
Longlife firmware file in GitHub:
Download: Longlife Ruuvi Firmware v 3.31.2 RC1
This version of firmware broadcasts with 10 seconds interval and stores measurements to internal memory with 15 minutes interval. It doesn’t necessarily work for every use case, but it is designed for long battery life.
If after trying it out you wish to go back to the official firmware version, you can run firmware update in Ruuvi Station app under sensor settings any time.
I hope this helps!
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Hello there
Thanks for your responce Tte update process via the nRF connect app sounds straightforward, and I will follow the guide you provided. 
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