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High quality battery for HP 633734-421 - 4400mAh,8 cells

Our brand new replacement HP 633734-421 batteries are produced under the highest industry standard and made with Grade-A battery cell(Panasonic), 100% compatible Original Manufacturer Specifications.

Condition :
Brand New,High Quality
Chemistry :
Color :
Volatge :
Cells :
8 cells
Capacity :
Dimension :
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Note: 14.4V and 14.8V are compatible, they are in common use.
Our replacement HP 633734-421 battery is the product of highest quality, which has obtained international certification ( CE, UL, ROHS, ISO9001/9002 ). Without any memory effect, the battery works as powerful as an extra power supply when traveling or being away from home/office. With long life, this replacement battery for HP 633734-421 laptop can be charged/discharged for more than 500-750 cycles (has been rigorously tested). Every piece of replacement HP 633734-421 battery pack is under the united protection of the PCP board, PCM board and intellectual power measurement circuit: automatically adjusting the charging time to achieve the maximum amount of charge, with over-charge protection, over-discharge protection, over current protection and short circuit protection.
We offer superb pre-sales and after-sales service, providing a full one year warranty and a 30-day money back guarantee for this replacement HP 633734-421 battery, 100% OEM compatible with the original HP 633734-421 battery. Our batteries for HP 633734-421 laptop have also undergone rigorous tests to ensure stability and safety before being dispatched from the battery manufactory. Usually, this high capacity (4400mAh, 8 cells) replacement HP 633734-421 battery offers the same or even longer usage period as/than that of the original HP 633734-421 battery.
Thanks for buying battery for your HP 633734-421 at In order to ensure the quality of our replacement HP 633734-421 battery and offer you a 100 percent satisfaction with our products, we will strictly test the product quality before shipment.

Compatible Part Numbers

  • 633734-141
  • 633734-142
  • 633734-151
  • 633734-152
  • 633734-421
  • 633807-001
  • HSTNN-I98C-7
  • PR08
  • PRO8
  • QK647AA
  • QK647UT

Fit Models

  • ProBook 4730S
  • ProBook 4740S

Some tips for increase the length of replacement HP 633734-421 battery

  1. Please carefully read the instructions before using the battery.
  2. Before using the new replacement HP 633734-421 battery for the first time, make sure that the battery is fully discharged and then get it charged for about 12 hours.
  3. You'd better use a dedicated AC adapter when charging the new 633734-421 battery
  4. You'd better turn off your HP laptop when the 633734-421 battery is charging; do not pull out the power plug or use your computer when charging.
  5. If you don't use laptop for a long time, please remove the replacement HP 633734-421 battery, and place it in a ventilated and dry place.
  6. Excessively high or low temperature environment should be avoided when using the 633734-421 laptop battery, as the too low or too high temperature will affect the battery life.
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