Dell Precision M6400 9 Cell Battery
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Dell Precision M6400 9 Cell Laptop Battery This is a brand new genuine Dell Precision M6400 9 cell battery pack
Brand: Voltage: Battery Capacity: Battery Type: Cell Origin: Color: Warranty: Guarantee: Useful Life: Xtend 11.1 Volts - also compatible with 10.8 Volt systems 7800 mAh 85 WHr 9 Cell Li-ion Samsung (South Korea) Grey Charcoal or Red 2 Year Warranty 30 day full satisfaction guarantee 300-500 recharge cycles This is a battery for a high performance engineering workstation
Consequently, the power consumption of your laptop is higher than most
As a result, you can expect about 2-3 hours of run time with this computer battery when new, depending on your energy use
This battery replaces the Dell Precision M6400 and M6500 battery
Replaces these many Dell Precision laptop battery part numbers: 312-0868 312-0873 3M190 6K145 8M039 999T2430F 999T2440F 999T2450F 999T2460F 9G869 C565C DW554 DW842 F224C F729F G102C H355F J012F KR854 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 3 to 6 months
Our inventory turns rapidly and you will always receive a freshly manufactured battery
How to care for your Dell Precision M6400 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 3% critically low warning point
If your battery is run below this point it may not have enough energy to recharge
This may effectively "kill" your battery
How can I extend my Dell Precision M6400 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 is new
Even longer times can be achieved by minimizing the power consumption of your laptop
Here are the top ways to reduce your power consumption
Reduce the brightness of your laptop screen
This is the main drain on your Dell Precision M6400 battery by far
Avoid using the CD or DVD drive as the motor consumes a fair amount of power
Turn off your wireless finder if you are not using the internet
Remove any devices plugged into your USB ports or other ports
Close out programs you are not using
By minimizing the load on your CPU, sometimes you can avoid having the cooling fan turn to its high speed mode
Increase your memory to at least 4 Gigabytes
This creates less work for your hard drive
Data is temporarily written to your hard drive when your memory is not sufficient to hold all the data on the many pages you may be accessing.
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