Check The Battery Level - Philips SE2752B/51 Quick Start Manual

Configure your phone (if necessary)
1 When you see the welcome message, press
2 Select your country, press
3 Set the date and time.
» If the time is in 12-hour format, press
» The phone is now ready to use.

Check the battery level

[OK].
[OK] to confirm.
/ key to select [AM] or [PM].
When the handset is off the base station/charger, the
bars indicate the battery level (full, medium and low).
When the handset is on the base station/charger, the
bars keep scrolling until charging completes.
The empty battery icon flashes and you hear an alert
tone.
The battery is low and needs recharging.