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Sony Vaio VGN-FZ4000 Premium Laptop Battery ReplacementThis is a brand new Sony Vaio premium grade replacement battery. This battery ships fully tested and ready to go. Unlike other batteries on the market, this battery DOES NOT require a BIOS update from a CD or web page in order for the battery to be recognized by your Sony laptop and can be used immediately. This battery is compatible with all versions of Windows including Windows XP, Windows Vista & Windows 7. Inside the VGN-FZ4000 battery are South Korea's best Lithium-ion rechargeable battery cells. The superior battery cells will provide longer run times between charges as well as a longer service life than cheaper batteries. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. This laptop battery replacement is typically superior to the original battery and is 100% compatible with your Sony VaioVGN-FZ4000 notebook computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.Brand:Voltage:Battery Capacity:Battery Type:Cell Origin:Color:Warranty:Guarantee:Useful Life:Sony replacement computer battery11.1 Volts - also compatible with 10.8 Volt systems5200 mAh6 Cell Li-ion (9 Cell VGP-BPL8)Samsung (South Korea)Black (Silver)2 Year Warranty30 day full satisfaction guarantee300-500 recharge cyclesYou can expect about 2 hours to 2-1/2 hours of run time with this computer battery when new, depending on your energy use. If you are looking for evenlonger battery run times, check out our extended run battery for your Sony laptop (our SON-NCD-VGP-BPL8). The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to
Xtend brand Batteries feature these key components:
The longest running lithium-ion battery cells from Samsung.
The industry's best computer battery circuitry from Texas Instruments.
Hand assembled with ISO quality checks along the way.
A Full 2 Year warranty, Double the warranty of original name brand batteries!
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