Clarity D613 - Manual (Page 6)

D613 Installation
Battery
1. Slide open the battery compartment door and connect
the rechargeable battery into the battery compartment.
2. Put the handset on the base to charge for at least 24
hours before first use. Subsequent charging time should
be 6
– 8 hours a day.
A fully charged battery will provide and estimated 10 hours of talk time and 100
hours of standby time.