Sony Vaio PCG-5K1L Battery This Vaio PCG-5K1L battery is compatible with the BPS9 series of Sony battery part numbers as well the BPL9 high capacity versions. This Sony PCG-5K1L battery DOES NOT require a Sony BIOS update from a CD or web page in order for the battery to be recognized by your Sony laptop. This is the Black version. Here you can find the silver BPS9 battery here. This battery is compatible with all versions of Windows including Windows XP, Windows Vista & Windows 7. Inside Each Sony PCG-5K1L 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 Sony PCG-5K1L battery is 100% compatible with your Sony PCG-5K1L model. Each battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty. Tech Specs Xtend brand; 11.1 Volts - also compatible with 10.8 Volt systems; 5200 mAh; 6 Cell Li-ion (9 cell available here); Samsung (South Korea); Black (Silver); 2 Year Warranty; 30 day full satisfaction guarantee; 300-500 recharge cycles; You can expect about 2.5 hours of battery life with this PCG-5K1L battery when new, depending on your energy use.
If you are looking for even longer battery run times check out our long life BPL9 battery. Replaces these
Sony battery part numbers: VGP-BPS9 VGP-BP9/A VGP-BPS9/B