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Bay Valley Parts 9-Cell 11.1V 7800mAh New Replacement Laptop Battery for DELL:312-1123,312-1127,453-10186,J70W7,JWPHF,WHXY3 DELL: XPS 14,XPS 14 (L401X),XPS 15,XPS 15 (L501X),XPS 17,XPS 17 (L701X),XPS 17 (L702X),XPS L401X,XPS L501X,XPS L502X,XPS L701X,XPS L702X

3.4 out of 5 stars 174 customer reviews
| 7 answered questions

Price: $23.88 & FREE Shipping on orders over $49. Details
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  • Battery Type: 9 Cells Li-ion Capacity: 11.1V 7800mAh Color: Black Weight: 19oz
  • Using highest quality materials including grade-A brand-new cells
  • Meets and exceeds OEM specifications and lasts longer hours
  • Package Includes: One unit of brand-new replacement laptop battery for DELL
  • This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!
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$23.88 & FREE Shipping on orders over $49. Details In Stock. Sold by Bay Valley Parts and Fulfilled by Amazon.

Frequently Bought Together

  • Bay Valley Parts 9-Cell 11.1V 7800mAh New Replacement Laptop Battery for DELL:312-1123,312-1127,453-10186,J70W7,JWPHF,WHXY3 DELL: XPS 14,XPS 14 (L401X),XPS 15,XPS 15 (L501X),XPS 17,XPS 17 (L701X),XPS 17 (L702X),XPS L401X,XPS L501X,XPS L502X,XPS L701X,XPS L702X
  • +
  • Dell 130W Watt PA-4E AC DC 19.5V Power Adapter Battery Charger Brick with Cord
Total price: $53.86
Buy the selected items together


Product Description

Safety & Excellence Features:
* No memory effect, fast charge
* Low power consumption IC design
* Fully compatible with the original laptops (models listed below)
* Tested with strict quality control standards
* Over-charge protection
* Over-discharge protection
* Over-heat protection
* Over-current protection
* Short-circuit protection
* High capacity circulatory function

Compatible with These Original Part Numbers:
08PGNG,0J70W7,0JWPHF,0R4CN5,312-1123,8PGNG,991T2021F,999T2128F,AHA63226267,AHA63226268,AHA63226270,AHA63226276,AHA63226277,J70W7,JWPHF,P09E,P09E001,P09E002,P11F,P11F001,P12G,P12G001,R4CN5, 312-1127,453-10186, WHXY3

Fits Machine Models:
XPS 14,XPS 14 (L401X),XPS 15,XPS 15 (L501X),XPS 17,XPS 17 (L701X),XPS 17 (L702X),XPS L401X,XPS L501X,XPS L502X,XPS L701X,XPS L702X,XPS 15-L501X,XPS 15-L502X,XPS 17-L701X,XPS 17-L702X

Please make sure that the battery part numbers listed in the description matches the battery part number on your original battery before you purchase. Please also compare the pictures shown with your current battery to make sure it would fit your laptop properly!

Product Information

Product Dimensions 8 x 4 x 3 inches
Item Weight 14.4 ounces
Shipping Weight 14.4 ounces (View shipping rates and policies)
Manufacturer Bay Valley Parts
ASIN B009QVE6T0
Item model number DLL401LP - S5
Customer Reviews
3.4 out of 5 stars 174 customer reviews

3.4 out of 5 stars
Best Sellers Rank #2,725 in Computers & Accessories > Laptop Accessories > Batteries
Date first available at Amazon.com October 15, 2012

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Important Information

Seller Warranty Description
We offer 1-year limited warranty for all products we sell on Amazon.com.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Jesse P. Jocson on February 20, 2013
Verified Purchase
My original dell XPS L502X 9 cell battery would just charge up to 44% of it's original capacity. The original 9-cell dell battery comes in a 8400mAh, this battery Designed Capacity is rated at 73260 mAh (checked using command prompt test).

Besides the slightly under capacity battery, the other flaws that this battery has is it's fit in the laptop and the rubber stoppers. The fit has some really small slight jiggle to it. Also the rubber stoppers on the bottom of the battery are noticeable larger than the rubber stoppers on the original battery. Another thing with the stoppers is that the adhesive of the rubber stoppers to the battery is really poor. There's two under there and both came out when transferring laptop to a backpack. I've fixed it using gorilla glue and so far it's been sticking on.

Overall I believe this is a good deal. Dollar per mAh ratio is better than the original and there isn't much of a bigger difference in capacity from the original dell battery to this one.
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Verified Purchase
This battery is 6600mAh, NOT 7800 as advertised!

My original Dell 9-cell 8400mAh battery was down to around 20% capacity, it would only last about 30 minutes. The only 8400mAh replacements are from Dell and cost an arm and a leg, I figured a 7800mAh capacity would suffice.

I got the battery quickly and installed it, worked fine. I ran the Dell diagnostics on the battery to test the capacity and it was only 6600mAh.

To run battery diagnostics in Windows 7, open your command prompt and type "powercfg -energy" and press enter. It will run for 60 seconds and create a report that will display the battery capacity and other information.

The seller let me return the battery for a full refund (Thanks!) and they told me they would revise the listing. They have not, but I will delete this review once they do. If you have already purchased this battery then I advise you to check its capacity.
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Verified Purchase
After 18 months of daily use, my OEM 9 cell battery had degraded to 90 minutes of run-time in power saver mode with Windows 8 Pro. New, I was getting around 4.5 hours of run-time with Windows 7 Pro in power saver mode. Dell wanted $130 for an identical replacement. For $50 delivered, I decided this battery was worth a try. I'm now getting 3-3.5 hours of run-time in power saver mode in Windows 8. My system is a Dell L502x i7270QM 8GB SSD 1080p. I exchanged a couple emails with the vendor and they were responsive. The battery has a 1 year warranty, same as the Dell. So, for 38% of the price of OEM, I'm getting 66-78% of OEM run-time. I was hoping for a little better, but still a good trade off for me. Assuming the battery lasts, I'd do it again. I'll update this review if the battery dies prematurely.
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Verified Purchase
When I pulled the battery out of the packaging, the very first thing I noticed was that the rubber stoppers were noticeably larger than those on the OEM battery. They also don't stick on very well, so if you slide the laptop on a surface, the stoppers will immediately fall off. I can live without them. After all, since there are other stoppers on the laptop, it doesn't slide around much.

Then I plugged it in, charged it, and started my machine. This baby holds a 4-hour charge! Which is impressive for the amount of resources my computer uses. That was 4 months ago... Now I'll be lucky if the charge lasts me through an hour-long meeting.

This battery is okay for the price, but its charge will rapidly reduce over time. Unless you're trying to squeeze the last few weeks out of your laptop's usable life, you should probably go with a better (and probably more expensive) battery.
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By Jae on September 28, 2013
Verified Purchase
This item lost it's battery power within one month of use. Not even aggressive use but regular use.
My opinion (from a guy who dealt with laptops for 15 years)- You are likely purchasing a used product that has been furnished. For a battery, that is terrible. Do not go with this buyer.
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Verified Purchase
I bought this battery to replace my 9-cell Dell one that shipped with my XPS 17 (L701X). It arrived a little under 2 months ago and it now barely holds charge for 20mins. Didn't seem too bad at first but I guess it was just good enough to get it past the return period. (I think this now lasts less time than the 3 year old battery it replaced!)

Don't waste your money!
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Verified Purchase
My laptop DELL XPS 15 L502x recognizes the battery and load without problems. recognizes up to 4 hours of charge
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Verified Purchase
This battery worked OK for about 3 months. Then, it would last just about 2 hours with light use (just internet browsing. I have returned the battery once and received a replacement. The replacement wound up having the same issues as the original.
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