FlexBattery is an advanced feature of IQOS ILUMA i PRIME and IQOS ILUMA i devices that enables to use your holder battery either in Performance Mode or in Eco Mode.
Your device is set up in Performance Mode by default, but you can change it to Eco Mode through IQOS App.

Performance Mode (default):
2 consecutive uses up to 6min each with 1 pause for one of them, or up to 3 consecutive uses up to 6min each without pause.

Note: the screen will not show the 3rd available usage. After the 2nd usage, the screen will show one more available usage (one dash). When no more usages are available, the screen will indicate the number “0”.

Eco Mode (to be activated in IQOS App):
Increases the lifespan of the holder battery by up to one year (only when fully used on Eco Mode throughout the lifespan of the holder and may vary depending on personal consumption).
Your holder will be set for a single use only, lasting up to 6 minutes.
Pause Mode is not available in this mode.
This battery mode shall be set through the IQOS app.