Pentax OPTIO S4I Operating Manual page 18

1
Charging the Battery by Itself
You can remove the battery from the camera and charge it.
3
Place the battery in the charger so that the PENTAX
name is visible.
The charging indicator blinks red while the battery is charging and
lights red when charging is completed.
4
Remove the battery from the battery charger when
charging is completed.
• The time required for full charge is about 100 minutes.
The appropriate ambient temperature range for charging the
battery is 0°C – 40°C (32°F to 104°F).
• The charging time may vary depending on the ambient
temperature and charging conditions.
• When the battery reaches the end of its service life, the time that
the camera can be operated becomes shorter even when the
battery is fully charged. In this event, replace the battery.
• You can also remove the battery from the camera and charge it
using the optional D-BC8 battery charger kit.
• Always charge the battery before using the camera for the first
time or when the battery has not been used for a long time.
• Do not use the D-BC20 battery charger to charge batteries other
than D-LI8 rechargeable lithium-ion batteries, as the charger may
overheat or be damaged as a result.
• If the battery is inserted correctly but the charging indicator fails to
blink, the battery may be faulty. Replace with a new battery.
16
Charging indicator
3
Battery