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Dell Vostro A840 Battery [Brand New]
6-cell Dell Vostro A840 Battery Replacement(4400mAh, 11.1V, Li-ion)
Dell Vostro A840 battery replacement(4400mAh 11.1V Li-ion) is 100% compatiable with OEM Dell Vostro A840 battery. We use Japanese cell to ensure better performance of all Vostro A840 batteries we sell.
Battery Type: Li-ion Capacity: 4400mAh
Volt: 11.1V Color: Black
Cells: 6-Cell Dimensions: 208x55x24mm
* We ship to worldwild. 1 year warrenty & 30 days money back!
$104.84 $73.39 + Shipping Fee

Save: $31.45
  • Specification
  • FAQ & Tips
  • Shipping
  • User Comment

Dell Vostro A840 laptop battery is a high quality rechargeable replacement battery which can 100% compatible with the OEM Vostro A840 battery. All batteries on are brand new(never be refurbished), and using grade A cells to ensure high performace.

  1. Tech Specs : Li-ion, 4400mAh, 11.1V. 400-600 recharge Cycles.
  2. Battery Type : Brand new, Replacement Battery, 100% compatible with the OEM Dell Vostro A840 battery.
  3. Featured Highlights : 4400mAh high capacity, Long battery life, reliable power for dependable performance.
  4. Quality Warranty : Our Vostro A840 battery use high quality new cells, such as panasonic,LG,sanyo,samsung.
  5. Condition: Brand new-Not Refurnished, 1 Year warranty, 30 days money back.

The Dell Vostro A840 laptop battery replacement can replace following Part Numbers:

  • Dell 312-0818 Battery
  • Dell 451-10673
  • Dell F286H
  • Dell F287F
  • Dell F287H
  • Dell R988H

The Dell Vostro A840 laptop battery replacement can compatible with following model:

  • Dell Inspiron 1410 Battery
  • Dell Vostro 1014 Battery
  • Dell Vostro 1015 Battery
  • Dell Vostro A840 Battery
  • Dell Vostro A860 Battery
  • Dell Vostro A860n

Tips about how to make your Vostro A840 laptop battery last longer?

  1. Best way to charge/preserve a new Dell Vostro A840 battery
    A: It's better to charge the battery fully and then allow it to sit after charging to stabilise. Then use it as you wish down to full discharge so that the laptop goes to sleep at its designated discharge level. Leave the laptop on sleep at least 5 hours or until it seems totally dead and then recharge from the mains. Again allow Vostro A840 battery to rest and then use it normally for the next month.
  2. To prolong Dell Vostro A840 battery life is to take care of your battery
    Once a month, you will want to clean it and this is a very easy and simple task. All you need is a small cloth and a bit of rubbing alcohol. A wipe across your Vostro A840 battery where it makes connection one time per month will give you better transference of power, thus extending the life.
  3. How to maximizing your Dell Vostro A840 Battery replacement Performance?
    A: Firstly, please turn down the brightness of their screen as low as possible which is the easiest way. Then check your Vostro A840 battery performance tool installed on your computer which will allow you to control exactly how you want your battery's power to be used. And you can close some useless apps to enhance your laptop battery performace.
  4. What's the reason that causes the Dell Vostro A840 battery with no voltage or low voltage?
    A: Please do not overcharge or anti-charge your battery over and over again and avoid external shot circuit of it. Then avoid collision and high pressure over your batteries. If your Vostro A840 battery has no voltage already, it's time for your to buy another one.

Dell Vostro A840 Shipping Information:

Normal Shipping
by Singapore Register Air Mail cost: $7.99 (You will receive your Vostro A840 laptop battery after 10-15 days. But some times because of clear customs problems, maybe some days delay, we hope customers could help to wait for a while.)

Quickly Expensive Shipping by EMS cost: $39.99, and please contact us Via email if you choose EMS as shipping method. (You will receive your Vostro A840 laptop battery after 7-10 days. But some times because of clear customs problems, maybe you would be asked to pay for your local tax and wait for some days.)

Shipping package:Our packing is very professional and safe.

More Shipping and return policy->

So far, this battery has solved our computer issues. It holds a charge well, and fits our laptop perfectly. I would recommend this product.


I am very happy with this laptop battery. It arrived exactly as described and in perfect condition. It fit perfectly into my laptop and has a long life. I would recommend this item to anybody needing this type of battery. :)


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Why shop Vostro A840 battery with us?

  1. High Quality Dell Vostro A840 battery
    Name brand li-ion cell with Grade A quality, 100% compatilbe, ROHS, CE, UL, ISO9001, ISO9002 certification.
  2. Better service and great battery warrenty
    All Dell Vostro A840 batteries at are full 1 year warrenty and 30 days money back if any defective, damaged or misrepresented items.
  3. Bottom Price from factory
    We deliver the Dell Vostro A840 battery replacement from factory directly. And we offer 30% dicount to all batteries now, the price would be much lower than other shops.
  4. Secure Shopping Guarantee
    The Secure Shopping Guarantee protects you while you shop at ebuybattery, so that you never have to worry about Paypal account safety. When shopping at online, you can shop with confidence.
  5. 100% compatible with original Vostro A840 battery

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