Xtend Brand Replacement For Dell Inspiron 640m Laptop Battery - 6 Cell 4400 mAh

Dell Inspiron 640m 6 Cell Laptop Battery This is a brand new Dell Inspiron 640m premium grade replacement battery. The superior Samsung cells inside the battery cartridge 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 Dell Inspiron 640m 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:; XTend replacement computer battery; 11.1 Volts - also compatible with 10.8 Volt systems; 4400 mAh; also compatible with 4800 & 5200 mAh batteries; 6 Cell Li-ion (9 cell available here); Samsung (South Korea); Black; 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 Dell Inspiron 640m laptop (our DELL-640MXT). This battery replaces the Inspiron 640m laptop models. Replaces these many
Dell laptop battery part numbers: 312-0451 451-10284 C9553 CC154 CC156 DC224 DC226 FC140 HJ588 MJ365 PP19L RC107 Y9943 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 powe