Description
Product Overview
This Dell RJ40G 63Wh battery is a genuine replacement part designed specifically for compatible Dell laptops. It delivers reliable power and performance for your mobile computing needs.
Key Features
- Capacity: 63Wh
- Voltage: 11.4V
- Chemistry: Lithium-Ion
- Condition: Brand new
- Warranty: 1 year
Compatibility Information
Part Numbers (P/N)
This battery replaces the following Dell part numbers: 01K2CF, 06RNMX, 075X16, 0M033W, 0RJ40G, 1K2CF, 451-BCSW, 6RNMX, 75X16, M033W, RJ40G.
Model Compatibility
Compatible with Dell Latitude 14 (5420 series), Dell Latitude 15 (5520 series), and Dell Precision 15 (3560 series) laptops.
Unsure About Compatibility?
We’ve listed the most common compatible part numbers and models above. 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’ll verify compatibility before shipping.
When to Consider Battery Replacement
| Situation | Description |
|---|---|
| Short Runtime | Battery drains significantly faster than when new, 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, charges intermittently, or laptop only works when plugged in |
| System Warnings | Laptop displays “Consider replacing your battery” or similar battery health warnings |
| Age Factor | Battery is over 2-3 years old with noticeable performance degradation |
| Unexpected Shutdowns | Laptop shuts down suddenly even when battery indicator shows remaining charge |
Estimated Battery Life
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing & Email | 4-6 hours |
| Word Processing | 5-7 hours |
| Video Streaming | 3-4 hours |
| Gaming | 1.5-2.5 hours |
| Mixed Use | 4-5 hours |
| Standby/Sleep | Up to 2 weeks |
Note: These are conservative estimates for a new battery used with older hardware. Actual runtime may be shorter than when your laptop was new due to increased power demands from software updates and natural hardware aging.
Shipping & Warranty
- Ships within 1 business day
- 30-day money back guarantee
- 1-year manufacturer warranty
- Free shipping
- In stock – ready to ship





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