Description
Product Overview
This Dell MR90Y 56Wh battery is a genuine replacement part designed specifically for compatible Dell laptops. It delivers reliable power and performance for your mobile computing needs.
Specifications
- Battery Type: Li-ion
- Capacity: 56Wh
- Voltage: 14.8V
- Condition: Brand New
Compatible Part Numbers (P/N)
This battery replaces the following Dell part numbers: 0K9XJR, 0MF69, 24DRM, 312-1390, 312-1392, 312-1433, 451-12104, 49VTP, 4DMNG, 68DTP, 6HY59, 6K73M, 6KP1N, 6XH00, 8TT5W, 9K1VP, DJ9W6, G019Y, G35K4, K9XJR, MK1R0, PVJ7J, V1YJ7, VR7HM, W6XNM, X29KD, XCMRD, YGMTN.
Compatible Models
This battery is compatible with these Dell laptop models: Inspiron 14 (3421, 3437, 3442, 3443), Inspiron 14R (5437), Inspiron 15 (3521, 3531, 3537), Inspiron 15R (5537), Inspiron 17 (3737, 5748), Inspiron 17R (5721, 5737), Inspiron M531R, Latitude 14 (3440), Latitude 3440, Latitude 3540.
Compatibility Note
The compatibility list for this battery is extensive. If you don’t see your specific model or part number listed, please leave your laptop model or current battery part number in the order notes during checkout. We will verify compatibility before shipping.
When to Replace Your Laptop Battery
Consider replacing your battery if you experience any of these common symptoms:
| Symptom | Description |
|---|---|
| Short Battery Life | Battery drains significantly faster than when new, lasting only 1-2 hours or less under normal use |
| Swelling/Bulging | Battery case appears swollen or distorted, causing trackpad or case bulging |
| Charging Issues | Battery won’t charge fully, charges intermittently, or doesn’t hold charge |
| Unexpected Shutdowns | Laptop shuts down suddenly even when battery indicator shows remaining power |
| Battery Not Detected | System fails to recognize battery, only works when connected to power adapter |
| Overheating | Battery becomes unusually hot during charging or normal use |
| Age Factor | Battery is 2-3 years old with noticeably reduced performance |
Shipping & Warranty
- Ships in 1 business day
- 30-day money back guarantee
- 1-year warranty
- Free shipping
- In stock, ready to ship
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