Sony Ericsson Jalou F100i User Manual page 7

To charge the battery
1 Connect the charger to the phone. It takes approximately
2.5 hours to fully charge the battery. Press a key to view
the screen.
2 Remove the charger by tilting the plug upwards.
You can use your phone while it is charging. You can
charge the battery at any time and for more or less
than 2.5 hours. You can interrupt the charging without
damaging the battery.
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