Sony PSP-N1002 Instruction Manual page 21

Information about the battery charge
Checking the battery charge level
You can check the battery charge level by the icon
displayed in the upper right corner of the screen. The
icon shows when it is time to charge the battery.
When there is little battery charge left, the
displayed and the power indicator flashes green. If this
happens, charge the battery.
Depending on usage conditions and environmental factors, the
charge level may not reflect the exact charge level.
Estimating the battery charge time*
Charging with the AC
adaptor
Charging with a USB
device
* When charging a battery with no charge remaining
It is recommended that you charge the battery in an environment
with a temperature of 10°C to 30°C. Charging in other
environments may not be as effective and may lead to less than
optimal battery performance.
Estimated battery duration
icon is Gameplay
Video playback
* 1 B ased on tests conducted with the system in single player mode,
with headphones in use, and with wireless networking and
Bluetooth
* B ased on tests conducted using variables of system speakers
2
versus headphones, volume level and screen brightness level.
Battery duration may vary depending on the type of content being
played, conditions of use such as screen brightness, and
environmental factors. Battery duration will decrease with
repeated usage and age.
Approximately 2 hours 20 minutes
Approximately 4 hours
Approximately 3 - 6 hours*
Approximately 3 - 5 hours*
features not in use.
®
Charging the battery
1
2
1