Note : 1. 10.8V and 11.1V are compatible, they are in common use. 2. This battery
is not compatible with HP Pavilion DM3-3000 Series laptops. So before placing an
order please compare the product images to your old battery at first.
Our
replacement HP 643821-251 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 643821-251 laptop can be charged/discharged for more than 500-750
cycles (has been rigorously tested). Every piece of replacement
HP 643821-251 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 643821-251 battery,
100% OEM compatible with the original HP 643821-251 battery. Our batteries for
HP 643821-251 laptop have also undergone rigorous tests to ensure stability and
safety before being dispatched from the battery manufactory. Usually, this high
capacity (57Wh, 6 cells) replacement HP 643821-251 battery offers the same
or even longer usage period as/than that of the original HP 643821-251 battery.
Thanks for buying battery for your HP 643821-251 at hplaptopbattery.co.uk. In
order to ensure the quality of our replacement HP 643821-251 battery and offer
you a 100 percent satisfaction with our products, we will strictly test the product
quality before shipment.
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