Sony Vaio VGN-CR420E Laptop Battery Replacement
Sony Vaio VGN-CR420E 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 Black in color, if you require the Silver battery please click here. This battery is compatible with all versions of Windows including Windows XP, Windows Vista & Windows 7. Inside the VGN-CR420E 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-CR420E 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 battery 11.1Volts - 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 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 even longer battery run times, check out our extended run battery for your Sony laptop (our VGP-NCD-VGP-BPL9-B) . 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 20% more run time. This battery replaces the Sony Vaio VGN-CR420E series laptop batteries. Replaces these many Sony laptop battery part numbers: VGP-BPS9VGP-BP9/AVGP-BPS9/B Laptop Battery Express only deals with brand new premium computer batteries. We never carry recycled or used batteries. We only use the highest quality cells inside the battery pack so you will have a long service life (300-500 recharge cycles) . We do not use cheaper battery cells which can wear out in a little as 6 months. Our inventory turns rapidly and you will always receive a freshly manufactured battery. How to care for your battery. You can extend the life of your laptop battery significantly through the proper care and handling of your battery. Any new laptop battery should first be fully charged by leaving it plugged in overnight. Once a computer battery is fully charged it will no longer accept any more power. It is a common practice to leave laptops plugged in after they have been turned off so that the battery has a full charge the next time you use your laptop. It is probably fully charged within 5 hours. A brand new notebook battery is in a weakened condition since it has not been conditioned yet. Condition and break in your new battery by performing 5 partial discharge and recharge cycles the first week you receive your new battery. Run on battery power without the AC adapter cord at least once a week to keep the battery cells active and at their peak potential. When your laptop is plugged into the power adapter the battery goes to "standby mode" while your laptop runs directly on electricity from the wall outlet. Even though your battery indicates it is fully charged, your battery will return to a weakened state again in a few months if it does not get some exercise through partial discharge and recharge cycles while running on battery power alone. If your battery has not been actively used 2 months or more, condition your battery again with 5 partial discharge & recharge cycles to increase the batteries capacity and run time. Don't run your battery all the way to empty. Your battery will have a longer service life if it receives shallow discharge and recharge cycles. Research has shown that the useful life of the battery will be much longer if you begin to recharge the battery any time before reaching 20% of the remaining power capacity. Recharging the battery even after 10 minutes will not reduce the battery's life span as lithium batteries do not have the memory effect which was found in older NiCad battery technology. NiCad batteries have never been used in laptops, even the earliest models. Never run your battery below the 2% critically low warning point. If your battery is run below this point it may not have enough energy to even recharge. This may effectively "kill" your battery. How can I extend my battery run time? You can extend your battery run time by minimizing the power drain on your battery. A 6 cell battery will run approximately 2 to 2-1/2 hours when the battery
Sony Vaio VGN-CR420E Laptop Battery Replacement Review
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