truCELL Premium Replacement Laptop Battery Replaces SONY VAIO Models VGP-BPS5 and VGP-BPS5A Enhanced truCELL Premium Replacement Laptop Battery; Replaces Original Manufacturer's Equipment for Laptop Series Models: VGPBPS5 and VGPBPS5A Specifications: truCELL High Quality 6 Cell ; Voltage 7.4 V (volts) ; Capacity 6600 MAH Chemistry: Lithium Ion ( LI-ION ); Rechargeable - No Memory Effect ; Utilizes BSP Technology for Surge & Overload Protection, Thermal-Cut-Off; Guards Against Short Circuits QUALITY GUARANTEED - Industry Leading 3 Year Manufacturer's Warranty