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9NJM1 Laptop Battery for Dell Alienware 15 R3 R4 Alienware 17 R4 R5 Original


Li-ion ultra light Dell 9NJM1 notebook battery for Alienware 15 R3 Alienware 15 R4 Alienware 17 R4 Alienware 17 R5

Brand: Dell
Battery Type: Li-ion
Voltage: 11.4V
Capacity: 99Wh
Condition: Brand new


Buy a brand new Dell 9NJM1 to replace the aging battery. Or consider equipping your Dell laptop with an extra original Dell battery 9NJM1, so you don’t have to worry about running out of battery power!

Features of Dell 9NJM1 battery:

  • 100% Genuine Dell notebook accessories
  • Over voltage protection
  • Overcharge protection
  • 100% compatible with original equipment
  • CE certified for safety
  • RoHS certified for environmental protection and health priority

Our commitment to product quality:

  1. Each genuine Dell 9NJM1 battery is made of high-quality cells for longer life.
  2. We use only OEM grade quality components.
  3. Free warranty or replacement within 12 months from the date of purchase.

Where can I buy this battery?

Want to buy Dell 9NJM1 replacement battery near me? Now you can get this product in a short time. We send Dell 9NJM1 batteries to major UK cities and counties, these cities include: London, Birmingham, Leeds, Glasgow, Sheffield, Manchester, Bradford, Liverpool, Edinburgh, Bristol, Southampton, Portsmouth, Wakefield, Cardiff, Coventry, Nottingham, Leicester, Sunderland, Belfast, Newcastle upon Tyne, Brighton.

Q&A with laptop battery Dell 9NJM1
1. How long is my battery life? When do I need to replace my Dell system battery 9NJM1?

Several laptop manufacturers estimate that you should get 300 to 500 charge cycles before the battery begins to fail; Some of them even promise 1,000 cycles. If you are a heavy user and recharge your laptop frequently, you may see the battery??s performance begin to degrade after a year or two. When you find that the performance of the battery has seriously degraded, you may need to replace the old battery or even prepare a spare Dell 9NJM1 battery.

2. How do I maintain my laptop battery to extend its life?

The ideal temperature for the storage location of the battery should be 15??C. Frost and temperatures above 35??C will be harmful to the battery. Also, even when the battery is not in use, your Dell battery should be stored at an average of around 50% charge.

Additional information



Battery Type








Compatible Part Numbers


Compatible Models

Alienware 15 R3, Alienware 15 R4, Alienware 17 R4, Alienware 17 R5


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