Samsung PM-A740 - Manual (Page 54)

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Accessories for Your Phone
Standard Battery
Provides up to 3.0 hours of continuous digital talk time (up
to 1.6 hours in analog) or up to 8 days of continuous digital
standby time (up to 16 hours in analog).
Extended Battery
Provides up to 4.0 hours of continuous digital talk time (up
to 2.2 hours in analog) or up to 12 days of continuous
digital standby time (up to 22 hours in analog).
Vehicle Power Adapter
This charging option enables you to power your phone
and charge the battery at the same time. Plugs into any
vehicle charging port.
Desktop Charger
Allows you to charge the phone in an upright position and
open while siting on a desk.
Hands-Free Headset
Allows you to use your phone with the optional earpiece.
Note: Standby and talk times will vary depending on phone usage
patterns and conditions. Battery power consumption
depends on factors such as network configuration, signal
strength, operating temperature, features selected, vibrate
mode, backlight settings, browser use, frequency of calls,
and voice, data, and other application usage patterns.