Notifications

Turn each one on or off in Settings › Notifications.

Alert	Default
Low battery	On, at 20%
Further drops	On, every 5% below the low level
Full charge	On
Charge limit reached	Off, at 80% when on
High temperature	On, at 40 °C
Still on battery	Off, after 3 hours when on
Health decline	On

Each alert is sent once per crossing and is remembered across a relaunch, so it does not repeat when Battistics restarts.