Specifications: 6 Cell, Li-ion battery, Rated at 11.1V(10.8V Compatible) 5200mAh Compatible Models: 6Cell Battery for Sony Vaio VGP-BPS22 VGP-BPS22A VPC-E1Z1E VPC-EA1 All Futurebatt Products are CE-/RoHS-/FCC- Certified and Built-in circuit protection ensure both safety and stability; Strict guidelines for compatibility, and standards compliance for environmental safety 100% Brand New from Manufacturer; Rechargeable Up to 600 times over life of battery; Equipped with Higher Quality Cells yet has Same Size & Shape as an OEM Battery This Product has 60 DAYS MONEY BACK GUARANTEE or 18 MONTHS REPLACEMENT WARRANTY! With Hassle-free Customer Service; Please contact us with any questions or concerns - we are here to help.