Description
Product Overview
This Dell 9NJM1 99Wh battery is a genuine replacement part designed specifically for compatible Dell and Alienware laptops. It delivers reliable power and extended runtime for your mobile computing needs.
Key Specifications
- Battery Part Number: 9NJM1
- Voltage: 11.4V
- Capacity: 99Wh
- Chemistry: Lithium-Ion
- Condition: Brand New
Compatibility Information
Compatible Part Numbers (P/N)
- 9NJM1
- 09NJM1
- MG2YH
- 01D82
Compatible Models
- Dell Alienware 15 R3 (P69F001)
- Dell Alienware 15 R4 (P69F002)
- Dell Alienware 17 R4 (P31E001)
- Dell Alienware 17 R5 (P31E002)
Note: This list represents common compatible models. Many additional part numbers and models are supported. If you’re unsure about compatibility, please leave your specific laptop model or current battery part number in the order notes during checkout, and we’ll verify compatibility before shipping.
When to Consider Battery Replacement
| Situation | Description |
|---|---|
| Short Runtime | Battery drains quickly even after full charge, lasting less than 1 hour under normal use |
| Swelling/Bulging | Battery case appears swollen or distorted, creating gap between battery and laptop |
| Charging Issues | Battery won’t charge fully, stops charging at certain percentage, or requires frequent recharging |
| System Warnings | Laptop displays “Consider replacing your battery” or similar power-related warnings |
| Age Factor | Battery is over 2-3 years old with noticeable performance degradation |
| Random Shutdowns | Laptop shuts down unexpectedly even when battery indicator shows remaining charge |
Estimated Battery Life by Usage
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Office Work | 3-4 hours |
| Video Streaming | 2-3 hours |
| Gaming | 1-1.5 hours |
| Mixed Use | 2.5-3.5 hours |
| Idle/Standby | 5-7 hours |
Important Note: These are conservative estimates for replacement batteries used with older hardware. New batteries in older systems typically provide shorter runtime compared to original performance due to increased power demands from aged components and modern software.
Shipping & Warranty
- Ships within one business day
- 30-day money back guarantee
- 1-year manufacturer warranty
- In stock, ready to ship
- Free shipping included





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