Replacement 6-Cell 4400mAh 11.1V Laptop Battery For HP QK639AA

Cheap Replacement HP QK639AA Battery

HP QK639AA laptop replacement battery is rated at 11.1V 4400mAh.We offers 4400mAh of power while fitting flush with your laptop. Top of the line Grade A cells powers this hp qk639aa battery so you can rest assured your battery will last.The replacement batteries come with a full 1 year warranty and offer the highest quality and performance available.

The replacement battery for hp qk639aa precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to meet or exceed original equipment manufacturer specifications. If you need a cost-effective qk639aa battery for use with the HP QK639AA Notebook, Our hp qk639aa laptop battery is your best choice.

- 100% compatible with the original battery specifications.
- Highest quality graded and sorted cells.
- Excellent discharge characteristics.
- Utilize state of the art printed circuit board (PCB) design to provide stable and safe performance.
- Undergone comprehensive quality testing throughout the manufacturing and assembly process.
- 12-month free replacement warranty for manufacturer's defects.

Replace Part Number:

HP 628369-421, HP HSTNN-LB2H, HP HSTNN-I90C, HP HSTNN-I91C, HP HSTNN-W81C, HP HSTNN-F08C, HP HSTNN-F11C, HP HSTNN-CB2F, HP HSTNN-E04C, HP HSTNN-LB2F, HP HSTNN-LB2G, HP HSTNN-LB2I, HP CC06, HP CC09, HP QK639AA, HP QK640AA, HP QK642AA, HP QK643AA, HP ST09

Fits Model:

HP EliteBook 8460p, HP EliteBook 8460w, HP EliteBook 8560p, HP ProBook 6360b, HP ProBook 6460b, HP ProBook 6465b, HP ProBook 6560b

How should I care for my new laptop battery?

Condition your new laptop computer battery for optimum performance.
A new battery usually maintains a discharged condition with very low capacity. It is highly recommended to fully charge new hp qk639aa battery packs before using.Charging your new battery overnight is sufficient to give your new battery a full charge. A new laptop battery must be partially discharged and fully charged at least five times in order to reach its full capacity.

This is done simply by unplugging the laptop from the power cord and letting the battery operate the laptop for 30 min. to 1 hour. It is important not to let a brand-new qk639aa battery discharge completely to empty or the battery pack may not be able to be recharged by the laptop. This can effectively destroy your brand-new battery.

The conditioning process should be completed within the first month you receive your new hp qk639aa battery. The conditioning process can be completed during the first week of receiving your new notebook battery.