Batteries and accessories for more than 200.000 different devices!

  • Safe, easy, fast
  • For 18 years, the no. 1 battery and adapter specialist
  • Over 1.000.000 customers

Questions? Please contact us!

BTH-CQ40 battery (4400 mAh 10.8 V, Black)

No longer available


Unfortunately, this product is no longer available. However, we do have other compatible products for the following devices:

Compaq Presario CQ40
Compaq Presario CQ45-209tu
Compaq Presario CQ45-212tx
Compaq Presario CQ45-212tu
Compaq Presario CQ45-211tx
Compaq Presario CQ45-211tu
Compaq Presario CQ45-210tx
Compaq Presario CQ45-210tu
Compaq Presario CQ45-209tx
Compaq Presario CQ45-208tx

Is your device not listed here? Scroll down for more compatible devices.
Nina Ylikarjula
rated us:
(5/5)
General:
Quick delivery - only a little bit over a week. Highly recommend!
About the product:
Battery works perfectly:-)
Antoine Berder
rated us:
(5/5)
General:
Site très clair et intuitif. La charte graphique est néanmoins curieuse, notamment dans le choix des couleurs (bleu-cyan).
About the product:
Produit qui fonctionne bien.
Marina Stolitza
rated us:
(5/5)
General:
I am very satisfied with the quality of service. Very good follow up, timely delivery.
About the product:
Nothing to complain about so far, I am quite satisfied with thé battery performance

All devices

Assurance and warranty
The BTH-CQ40 battery (4400 mAh 10.8 V, Black) comes with 12 months warranty. Besides this, we offer a unique 30-day money back guarantee: in case you are not satisfied with the product, for whatever the reason, you can always return it and get your money back.
Quality and safety
This BTH-CQ40 battery (4400 mAh 10.8 V, Black) contains advanced technical components and has been tested according to strict CE safety standards. The BTH-CQ40 battery contains a chip that prevents overcharging and short-circuiting. Next to this, the BTH-CQ40 battery is made from high quality cells that do not suffer from a so-called 'memory effect'.
Tip!
Do you use your Notebook extensively? Buy a second battery for your notebook. This way you will always have extra capacity with you, preventing you from being without power for longer when you're on the go.
Mobile power
Are you often hastily searching for a power outlet? No matter where you are, this BTH-CQ40 battery by BatteryUpgrade.com, assures you that you can use your notebook as long as possible. Our batteries are of a high quality and high capacity so you will not end up without your notebook half way through the day.
Factory Fast
The BTH-CQ40 battery is factory fast. Batteries lose performance over their lifetime, even when they are not used. Many importers and resellers store their batteries in stock for a long time before they are sold. BatteryUpgrade.com makes sure that the ordered battery can be shipped directly after production by working together with the manufacturers. So you can be sure that you will get a brand new high quality battery!

Buying for a company?

Discover our business discounts and possibilities!

  • Safe, easy, fast
  • For 18 years, the no. 1 battery and adapter specialist
  • Over 1.000.000 customers

Questions? Please contact us!