Availability :
IN STOCK
QK640AA Laptop Battery can replace original equipment manufacturer battery ,
Don't place
QK640AA laptop battery
in laptop for a long period of time if the laptop is not being used.
Let the power of the
QK640AA batteries
(15%) drain to 0% When you use your brand new Battery first time. And then full charge
it(usually chrage it full 12 hours)
and let it drain to 0% again. Do this for 2~3 cycles.
Do not forget to take away your
HP QK640AA battery
from the device if you will not use it for a long time
With lithium-ion batteries, full charges and discharges are
best on a regular basis.
QK640AA Li-ion batteries do not
suffer from the memory effect.
Do not drop, hit or otherwise abuse the battery as this may
result in the exposure of the cell contents, which
are corrosive.
Make sure to plug your
HP QK640AA laptop charger
adapter into a UPS and not directly into a power outlet or surge protector.
Always keep the battery pack out of reach of infants or
small children.
Do not expose the battery pack to direct sunlight. Never
store or use the battery pack in an unventilated vehicle
where excessive internal temperatures may be encountered.
