AT&T AT5872 - Manual (Page 4)

Install and Charge Handset Battery
STEP 3
1. Align the two holes in the plug with
th e s o c ke t p i n s i n th e b a t te r y
compartment of the handset, then snap
the plug into place.
2. Place the battery in the compartment.
3. Replace cover by sliding it up into place.
4. Place the handset in the telephone
base.
5. Charge the battery for at least 16 hours
before first use.