Original/Genuine HP QK640AA Battery

Why purchase a Original HP QK640AA Battery ?
1.HP Original Enhancements,No Disc need for Drivers Updates,The Original stability higher than the OEM Battery Pack.
2.Original HP battery pack is more secure than the OEM.
3.Original battery has much longer battery life than the replacement battery.
4.Using The Original battery is more durable.
5.The original battery can better protect your laptop.

HP QK640AA ultra extended life Battery maintain :
1.New battery should be a continuous charge 12 hours.
2.Fully charged and discharged. Cycle three times to wake up a new QK640AA battery.
3.Prolonged use of external power. Proposal to remove the battery, so as not to affect HP QK640AA battery life.
4.Periodically charge and discharge; as long [more than 1 month] do not use computers or find shorter battery charge and discharge time, should be in charge after the battery is fully discharged, generally at least a month to put a full charge.
5.Best to turn off the HP QK640AA computer while charging, do not unplug the power drop in the charge.
6.Avoid human impacts, dismantling, fall, heating or short circuit.
7.How to use the battery is discharged, please re-charged within two days, otherwise the battery charge is not easily damaged and may be power.
8.QK640AA ultra extended life Batteries should always recycled, it is recommended to use at least two months time, in order to achieve optimal battery performance, the first discharge to 3%, and then filled.
9.When the battery performance of the year long failure, usually for two years, please remove the Laptop battery is not installed on the computer used to avoid explosion and fire hazard.

Fit Models: