Sony VAIO PCG-R505TE Service Manual page 118

VAIO® R505 SuperSlim Pro™ Notebook User Guide
2 Align the grooves and tabs on the battery with the tabs and notches on the
back of the notebook, and then slide the battery toward the computer until it
clicks into place.
Inserting Battery Pack
3 Slide the lock lever into the LOCK position to secure the battery on the
notebook.
To charge the battery pack
1 Connect the AC adapter to the notebook.
2 Insert the battery pack.
The battery is charging whether or not the notebook is powered on or off. The
battery indicator light flashes in a double-blink pattern as the battery charges.
When the battery is 85% full, the battery indicator light turns off. This process
takes approximately one and one half hours if the notebook is powered off. To
charge the battery completely, continue charging it for an additional hour.
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