BT ZENITH FLIP User Manual page 11

Additionally, if you purchase a BT Zenith Flip
multiple pack
For each additional handset and charger:
1. Connect the power adaptor to the charger and switch on.
2. Insert the handset battery as instructed on page 9.
3. Place the handset on the charger and charge for at least
24 hours. The red charging light will come on.
Your BT Zenith Flip additional handset comes
pre-registered to the base. The handset number will
be shown on the display.
If you experience any problems, please call the Helpline on 0870 605 8047
Getting started 11