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 Support:Supported with 30 days Refund and 12 months Replacement.24h Email support.The Futurebatt brand provides friendly customer service.We are committed to providing our customers with the best possible service.