Panasonic KX-TCA155 - Manual (Page 7)

Before Operating the PS
7
Battery Installation
Insert the batteries as shown. The negative end should be inserted first.
Close the cover as indicated by the arrow.
Battery Charge
At the time of shipment, the batteries are not charged. Please charge the batteries for
about 7 hours before initial use.
• When you replace the batteries, the positive end should be removed first.
• When the battery has been completely charged, the charge indicator will
change from red to green. Refer to “Battery Information” on page 46.
• It is normal for the PS and charger to feel warm while the battery is charging.
• Keep devices sensitive to magnetic fields away from the charger.