Sony Vaio laptops are known for being high-quality and aesthetically pleasing. These laptops are predominately silver with the keyboard and palm rests being black. The batteries for these laptops are also silver than the typical black seen in most laptop batteries. The battery life on these laptops is pretty good, with about four hours of run time available under normal usage conditions on Sony Vaio VGN-FZ21E systems with six-cell lithium ion batteries. Six-cell batteries are standard on these laptops. If you need a high-quality replacement battery for your Sony Vaio laptop, USB Phone World has these silver batteries at very reasonable prices. These batteries are compatible with a large array of Sony Vaio laptops with the compatible model numbers listed within the product descriptions. These six-cell batteries are 11.1V and have a capacity of 5200mAh/49Wh. USB Phone World batteries are 100 percent OEM compatible and are guaranteed to meet or exceed OEM specifications. All of our batteries include a 12 month warranty and customers can purchase three-year warranties if they choose.
The easiest way to determine if the battery that you have selected is compatible with your system is to have your laptop model number available when reviewing batteries. If your model number is included in the list of compatible laptops, you have selected the correct battery. If you prefer, you can enter your model number into the search field to be taken to pages that have batteries that are compatible to your laptop. You can also contact USB Phone World directly to get help determining compatibility. These batteries have been made using premium carbon lithium oxide and are the best replacement batteries that you will find for your Sony Vaio laptop. In addition to replacement batteries, USB Phone World has Sony laptop chargers available in the event that you need to replace a lost or damaged AC adapter.