replacement Dell 66DWX battery
replacement Dell 66DWX batteryreplacement Dell 66DWX batteryreplacement Dell 66DWX batteryreplacement Dell 66DWX batteryreplacement Dell 66DWX battery

57Wh 3 cells battery for Dell 66DWX

  • SKUNZZ6630
  • ConditionReplacement, Brand New
  • Voltage11.40V
  • Capacity57Wh
  • Number of Cells3 cells
  • Cell TypeLi-Polymer
  • ColorBlack
  • Size*mm(L x W x H)
  • Warranty1 Year
  • AvailabilityIn Stock
Note : 11.1V and 11.4V are compatible, they are in common use.

Product Description

Our new Dell 66DWX replacement battery is made of the best battery cells and components. The batteries for Dell 66DWX supplied on the site are all passed the tests of UN38.3 and RCM, CE, UL, ROHS, ISO9001/ISO9002 and other international identification. To maximize decrease the risk of potential safety hazards, ensure the good experience of the users, our Dell 66DWX notebook batteries were incorporated protection measures as well. E.g, protection of temperature, circuit, Rests, over-voltage, hardware, output current limiting threshold, input and overcharge.

Ingenious and precision work, advanced equipment, and professional technician team are the guarantees of the new vitality of Dell laptop and excellent-experience of buyers. We are factory outlets, not distributors. This is why our replacement Dell 66DWX battery's price is usually much cheaper than other competitors. Please inform our customer service team if you find out there is cheaper than ours, we will help you out.

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Compatible Battery Part Numbers

Compatible Laptop Models

Not all compatible models are listed. If you can't find your laptop model here, feel free to contact our customer service to inquire about the compatibility. is not affiliated in any way with any of the manufacturers listed in this catalog and the batteries sold in this catalog have not been sponsored or approved by any of such manufacturers. Any trademarks or model numbers listed in this catalog are identified for compatibility or cross-reference purposes only.

Shipping method

Payment method


1Does Battery for Dell 66DWX shorten the life if charge it without a fully discharge?

The life of the battery is usually calculated by the times of full-charge and discharge. The lithium battery is 400 to 500 times. You do not worry about the increase of the cycle count when you charge the power available battery, because it will only be increased by one time when your Dell 66DWX laptop battery is getting fully charged and discharged.

2Is this Dell 66DWX replacement battery brand new or refurnished?

Our Dell 66DWX replacement laptop batteries are all new. The old or refurbished battery will not be allowed to sell to consumers. Your safety can be guaranteed by the best battery cells and elements we employed.

3Need to remove the battery when using the power supply?

We do not recommend removing the battery to prevent the ongoing computer data from being lost due to a sudden interruption of the AC power. If removed, we recommend wrapping the battery for Dell 66DWX in plastic wrap and placing it in a cool, dry place. Remember to at least once charging a month to avoid loss of battery activity.

4What is the difference between this Dell 66DWX laptop battery and the original part?

There are few differences except that our battery has no brand label. All rechargeable batteries available at are original manufacturers' backup batteries. They use the same smart chips and cells as original's, so the performance and compatibility of Dell 66DWX battery are similar or even better than the original rechargeable battery. This will deduct the brand premium while maintaining quality. Many consumers think that the performance of the original battery is better. In fact, many branded laptop batteries are also manufactured by components from third parties (such as Samsung, LG, etc.). Just as the laptop CPU is not developed by a brand computer company itself.

Warranty and return

We offer a one-year warranty on all laptop batteries. If the purchaser has properly installed the battery on the device and used the battery, the warranty applies.

We will check the performance of each product before shipment. If you are not satisfied with our Dell laptop battery, you can enjoy a 30-day money-back guarantee.

If you have any problems with the battery you purchased from us, please contact us first. We will proceed your request and seek a solution. If it needs to return, we will generate an RMA number (Return Merchandise Authorization) for you. Once the test result indicates that the returned battery is defective, we will bear the cost of shipping the battery. (If you return without an RMA number, we won't process the returned battery.)

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