This is a new Genuine Sony brand VGP-BPSE38 battery. This is a slim profile, sheet battery that snaps onto the bottom of certain Sony laptops.This means you can recharge your laptop any time without diminishing your battery capacity. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 1 year warranty.
You can expect about 3 - 4 hours of run time with this computer battery when new, depending on your energy use.
This battery replaces the Sony Original Brand VGP-BPSE38 laptop batteries and additional machines which are listed at the extreme bottom of this web page.