Sony Extended Sheet Battery for 15.5" VAIO S / SE Series Laptops

The Sony Extended Sheet Battery for 15.5" VAIO S / SE Series Laptops is a lithium-ion battery for laptop computers. Enjoy up to 12 hr of total combined battery life with an optional extended battery (not included)--double the standard battery life! Designed specifically for use with VAIO S / SE Series 15.5" laptops, this extended sheet battery provides extended battery life at home, in the office, or while on the road. Featuring a thin, light and hot swappable design, this sheet battery easily attaches right on top of your standard battery.