Description
Product Overview
This genuine Dell 7CJRC 42Wh battery provides reliable power for your compatible Dell laptop. Manufactured to meet original specifications, it ensures optimal performance and safety.
Key Specifications
- Capacity: 42Wh
- Voltage: 7.6V
- Chemistry: Lithium-Ion
- Condition: Brand New
Compatible Part Numbers (P/N)
- 07CJRC
- 21X15
- 451-BBWS
- 579TY
- 7PCMN
- F1KTM
- KNM09
- 7CJRC
Compatible Models
- Dell Latitude 12 (E7270)
- Dell Latitude 12 (E7270-751C6)
- Dell Latitude 14 (E7470)
- Dell Latitude 14 (E7470-02R95)
- Dell Latitude 14 (E7470-3K0DN)
- Dell Latitude 14 (E7470-6DRWG)
- Dell Latitude 14 (E7470-7F3M1)
- Dell Latitude 14 (E7470-FFDD3)
- Dell Latitude 14 (E7470-KKJHD)
- Dell Latitude 14 (E7470-WMKPF)
Note on Compatibility
Many more compatible part numbers and models exist beyond what’s listed here. If you’re unsure about compatibility, please leave your laptop model or current battery part number in the order notes, and we’ll verify before shipping.
When to Replace Your Battery
| Situation | Description |
|---|---|
| Short Runtime | Battery drains significantly faster than when new, lasting less than 1 hour |
| Swelling/Bulging | Battery case appears swollen or distorted |
| Charging Issues | Battery won’t charge fully or charges intermittently |
| System Warnings | Laptop shows “Consider replacing your battery” or similar messages |
| Overheating | Battery becomes unusually hot during use or charging |
| Age | Battery is over 2-3 years old with noticeable performance decline |
Estimated Battery Life
| Usage Scenario | Estimated Runtime |
|---|---|
| Web Browsing | 3-4 hours |
| Document Editing | 4-5 hours |
| Video Playback | 2-3 hours |
| Light Gaming | 1-2 hours |
| Standby/Sleep | 24+ hours |
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 software demands and natural hardware aging.
Shipping & Warranty
- Ships in 1 business day
- 30-day money back guarantee
- 1-year warranty
- In stock, ready to ship
- Free shipping
- Brand new product
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