This is a new brand new VGP-BPS33 battery for the Sony SV T14 and SV T15 series of laptops. The superior cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries.
This Sony SVT15115CXS battery replaces the Sony BPS33 battery part number. It is rated 11.4 volts and 3500 mAh. You can expect about 1 - 5 hours of run time with this SVT15115CXS battery when new, depending on your energy use, the brightness & size of your screen, etc.
Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 year warranty.