This is a 6 cell Lithium Ion rechargeable laptop battery for Toshiba Qosmio F30, G30, G35 series laptop notebook computers. This laptop battery ships fully charged, tested and ready to work. This ENERGY+ item is built with the highest quality standards, safety features and has a 12 month warranty. Our batteries and accessories are guaranteed to meet or exceed the original equipment manufacturers specifications. Many are engineered and assembled right here in the USA by highly skilled American workers.