Nokia 8390 Manuales De Servicio
PAMS Technical Documentation
Accessories
NSB-8
Issue 1 01/02
ãNokia Corporation
Page 17
Recommended Batteries
Note: The capacity of the zinc air battery will fall 20% in a month. After the activa-
tion, the zinc air battery begins to self-discharge. The battery will be empty
within 5 weeks.
Table 1: Recommended Batteries
Type
Size / IEC-type
Rated
capacity
Talk time
(3mA load)
Standby
(20uA load)
Zinc Air Hearing Aid Bat-
tery
tery
675 / PR44
540 mAh
180 hours
840 hours or
35 days (1)
Silver Oxide Hearing Aid
Battery
Battery
675 / SR44
150 mAh
50 hours
7 500 hours or
310 days
Alkaline Battery
675 / LR44
110 mAh
36 hours
5 500 hours or
230 days