30-Day Money Back Guarantee
The new Dell 312-1390 battery should be charged fully and
discharged to lower 5-10% for 5-6 times for normally perform. Traditional 7-Day
Money Back Guarantee cannot meet test needs enough. To this end, we extend the
warranty from 7-day to 30 days.
1-Year Warranty
We offer 12 months warranty on the
replacement Dell 312-1390 Laptop Battery!
During this period, if your battery fails due to quality problems, we will
replace your battery with a new one.
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Buy Dell 312-1390 replacement battery with confidence!
What's the difference between a 3-cell, 6-cell, 9-cell Acer battery?
The difference between those batteries is the duration. The more the cell is, the
longer duration the battery will last. Meanwhile, the size of the battery will
be larger. If you consider the duration of the battery most, you can choose a
battery with more cells, but the bottom will protrude and the weight of the
laptop will increase under these circumstances.
What will greatly shorten the life of Dell 312-1390
battery?
Many people find that their laptops can often be used for 5 years or even more
than 10 years without failure, but laptop batteries can't. This is often caused
by the following behaviors:
The battery is often completely depleted.
Idle the laptop for a long time and do not charge the battery regularly.
Use an unqualified power adapter.
The battery is placed in a humid environment or directly immersed in water.
High temperature is a battery killer to shorten the battery life, complete death,
or even explode.
How to replace
your Dell 312-1390 Laptop Battery?
Turn off your Dell 312-1390 laptop and disconnect the AC
adapter.
Release the latch or other attachment devices that hold your battery in
place.
Slide the old battery out of its compartment or storage bay.
Take the replacement battery for Dell 312-1390 laptop out of the
box.
Slide it into the notch or bay.
Close the safety latch to lock it into place.
Reconnect the AC adapter and give the new battery for
your Dell 312-1390 notebook a full charge.
Is it normal for the Dell 312-1390 battery replacement to get
hot during charging?
Yes, almost all batteries will emit heat during charging and discharging. Please
don't worry, all our Dell 312-1390 battery is manufactured with
high-quality anti-corrosion heat dissipation materials.
