Sony PCG-C1XS - Manuel (Page 21)

Connecting a Power Source 9
Using Battery Power
You can use a battery pack as a source of power. The PCGA-BP51A
battery pack that comes with your computer is not fully charged at the
time of purchase. Follow the steps below to insert and charge the battery
pack.
To insert the battery pack
1
Make sure the Lock lever on the bottom of the computer is in the
release position.
2
Align the grooves and tabs on the battery with the notches and tabs
on the back of the computer. Slide the battery towards the computer
until it clicks into place.
3
Slide the Lock lever into the lock position.
✍
You can also purchase the high-capacity PCGA-BP52/BP54 battery pack as a separate option.
Lock lever
Grooves
Battery