Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Specifications
- Battery Type: Li-ion high-quality business laptop cells
- Capacity: 40Wh / ~2700–3500mAh depending on manufacturer
- Voltage: 11.4V stable output for ultrabook systems
- Cells: 2-cell internal compact configuration
- Compatibility: Dell Latitude E7290 business laptop series
- Part Numbers: DJ1J0, 0DJ1J0, GJKNX (variant dependent)
- Color: Black OEM finish
- Build: OEM-grade replacement battery
- Design: Internal sealed non-removable battery
The Dell Latitude E7290 Series 40Wh battery is a compact OEM replacement designed for lightweight business ultrabooks. It delivers stable and efficient power for everyday professional tasks such as document processing, browsing, email communication, and video conferencing.
This 40Wh battery is commonly used in Dell Latitude 7280 and 7290 series laptops, offering a balance between portability and basic runtime needs for mobile professionals. It is designed for efficiency rather than heavy performance workloads.
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Price Table
| Product |
Price in Kenya (KSh) |
| Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery |
6,500 – 12,500 |
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Key Specifications
| Specification |
Details |
| Model |
Latitude E7290 Series |
| Battery Type |
Li-ion |
| Capacity |
40Wh |
| Voltage |
11.4V |
| Cell Configuration |
2-cell |
| Charging Cycles |
~300–500 cycles |
| Build Type |
OEM replacement |
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Charging Performance
- Works with standard Dell 45W business chargers for stable charging
- Maintains consistent voltage during office and productivity tasks
- Optimized for Dell BIOS power management systems
- Designed for efficient low-power computing use
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Safety Features
- Overcharge protection for safe daily charging
- Over-discharge protection to extend battery lifespan
- Short-circuit protection for system safety
- Temperature regulation system for stable operation
- Smart IC chip for controlled power delivery
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Compatibility
- Dell Latitude E7290
- Dell Latitude 7280
- Dell Latitude 7290
- Selected Dell 12.5-inch Latitude business laptops
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Durability & Build
- Lightweight ultrabook-friendly design
- High-quality lithium cells for stable performance
- Heat-resistant internal structure for daily use
- OEM connector for secure fit
- Built for business mobility and reliability
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Energy Efficiency
- Optimized for Intel low-power U-series processors
- Stable discharge curve for consistent runtime
- Efficient energy usage for basic workloads
- Ideal for office productivity and travel use
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Ideal Use Cases
- Business professionals
- Students
- Remote workers
- Office productivity users
- Frequent travelers
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Pros and Cons
| Pros |
Cons |
| Lightweight and portable |
Limited runtime compared to higher Wh batteries |
| Stable OEM performance |
Not suitable for heavy workloads |
| Good compatibility across Latitude 7280/7290 |
Internal installation required |
| Energy-efficient design |
Basic capacity only |
| Affordable replacement option |
Shorter usage time under load |
Dell Latitude E7290 Series 40Wh 11.4V Laptop Battery Conclusion
The Dell Latitude E7290 Series 40Wh 11.4V laptop battery is a reliable OEM replacement for business users in Kenya. It offers stable performance, safe operation, and lightweight portability, making it ideal for everyday office and travel computing needs.
