Panasonic EB-X300 - Manual (Page 9)

6 Getting Started
Fitting and removing the battery
Before removing the battery, ensure that the phone is switched off and the
charger is disconnected from the phone.
Fitting the battery
Remove the battery compartment cover.
Insert the battery, ensuring the 3 gold contacts align with the 3 gold pins in the phone.
Removing the battery
Push and hold the release latch ➊ towards the top of the phone, then lift the battery out ➋ .