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home > Compaq Laptop Battery > Compaq PRESARIO B2821TX Battery

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    Compaq PRESARIO B2821TX Battery

    4800 mAh 11.10V Li-ion Compaq Presario b2821tx Laptop battery replacement

    Overview:Other capacitySpecificationFit ModelCompatible CodesHelp & Support

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  • Factory direct price, 1 Year Warranty.

    100% quality control assurance.

    30 days money back guarantee.

    Fast Shipping, Usually Ships in 3 to 10 business days.

You can choose different capacity Compaq Presario b2821tx battery below:

  • Compaq Presario b2821tx Battery
    White, 11.10V, 4800 mAh, Li-ion ,204.30 x 45.20 x 21.21 mm, 305.50 g, Brand new.

Buy Together Save AU $2.00

  • Compaq Presario b2821tx battery(11.10V, 4800 mAh) + 90W Compaq Presario b2821tx adapter
Description for Compaq Presario b2821tx Laptop Battery

We focus on bring the best Compaq Presario b2821tx laptop battery sale to our customers and strong desire our customers can buy their satisfaction Compaq Presario b2821tx battery. In addition to marketing Presario b2821tx for HP notebook, we also sell hp laptop batteries for other models, you can search the Compaq Presario b2821tx batteries for your Compaq Presario B2821TX / Presario B2822TX / Presario B2823TX / Presario B2824TX / Presario B2825TX / Presario B2826TX / Presario B2827TX / Presario B2828TX / Presario B2829TX / ...and more laptops.
AS a Australian power saler, We guarantee the Compaq Presario b2821tx batteries with 1 year warranty, 30-days money back, please contact us so we can offer you the most convenient service.


  • Original Brand : Compaq
  • Original Model : Compaq Presario b2821tx
  • Cell Type :Li-ion
  • Volts : 11.10V
  • Capacity :4800 mAh
  • Color : White
  • Dimension : 204.30 x 45.20 x 21.21 mm
  • Net Weight : 305.50 g
  • Condition : Brand New. Never refurbished. Compaq Presario b2821tx Battery.
  • Best replacement for the original Compaq Presario b2821tx Laptop Batteries pack.
  • Chargeable even if it has not been used up yet. 30days fund return, 1 year warranty

Fits & Compatible, Press Ctrl + F to search your laptop model and battery number.

    CompaqPresario b2821tx Battery Compatible Code:
  • Compaq 405231-001
  • Compaq 407672-001
  • Compaq HSTNN-CB25

One of three people found the following review helpful:

Are credit card transactions safe? Absolutely! In fact, it's statistically safer to use your credit card over the Internet than in a restaurant or department store. Payments are gone through Paypal or WorldPay servers, which use Secure Sockets Layer (SSL), an encryption technology that works with Firefox, Netscape Navigator, Microsoft Internet Explorer, and AOL's browser, so that customer's personal information can be protected.

What causes short lifetime of battery?

  • Charger or electro circuit can't be fit for this compaq presario b2821tx battery.
  • Overcharge and over-discharge, etc.
  • Battery can't comply with the charging requirement

The lifetime of a battery can be prolonged by:

  • Using the original charger
  • Charging the battery after it automatically powers off, then full charge the compaq presario b2821tx battery
  • Avoiding erroneous usage of compaq presario b2821tx laptop battery, such as heavy pressure, short circuit, fall off and so on