Dräger Infinity M300 series Supplemental Manual page 26

Infinity M300+
Inserting the swappable battery into the charger
1 After removing the swappable battery from the M300+, insert it into the charging station.
2 Press the battery into place.
Removing the swappable battery from the charger
1 Press the two tabs on each side of the swappable battery.
2 Pull the battery up to remove.
26 Supplement – Infinity M300 and M300+ Series – VG2.4