Battery
Tools
These are some common tools used to work on this device. You might not need every tool for every procedure.
Background
Device Name (Sony Vaio VPCYB15KX)
Model Number (VPCYB15KX)
PCG Reference (PCG-31311L)
Release Date (2011)
500 GB hard drive, 3.7 lbs)
Major Facts (was rated best battery of 2011.)
Identification
Some distinguishing features of the Sony Vaio VPCYB15KX are an 11.6" screen, Wi-Fi capability, 4 GB of RAM, 1,6 GHz, and an AMD Fusion E-350 Dual Core Processor.
You can identify your laptop by the serial and model numbers printed on the bottom of the device.