Specifications: 6 Cell, Li-ion battery, Rated at 11.1V(10.8V Compatible) 5200mAh Compatible Models: Laptop Battery for Sony Vaio VGP-BPS13 VGP-BPS13A VGP-BPS13A/B VGP-BPS13B/S VGP-BPL13 PCG-81214L PCG-81114L - 12 Months Warranty [Black 6 Cells 11.1V 5200mAh] 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.