- Battery Type: Li-ion
- Capacity: 40Wh
- Voltage: 14.8V (14.4V compatible variants exist)
- Cells: 4-cell
- Compatibility: Dell laptops using P28E / P28E003 battery series (commonly Inspiron/Vostro 3000 series variants depending on chassis)
- Part Numbers: P28E, P28E003
- Color: Black
- Build: OEM original / high-quality replacement
- Design: Internal laptop battery module
The Dell P28E / P28E003 40Wh 14.8V battery is a standard OEM replacement designed for everyday computing. It provides stable power output and reliable performance for light workloads such as browsing, office applications, and media use.
Original Dell P28E 40Wh Battery Overview
This 40Wh battery is designed for portability and efficiency rather than long endurance. It is commonly found in Dell Inspiron and Vostro laptops where compact design and basic daily usage are the priority.
It delivers consistent voltage regulation and safe operation for standard productivity tasks, making it a common replacement battery in entry-level Dell laptops.
Original Dell P28E / P28E003 40Wh Battery Price Table
| Product |
Price in Kenya (KSh) |
| Dell P28E / P28E003 40Wh 14.8V Battery |
5,500 – 10,000 |
Original Dell P28E / P28E003 40Wh Battery Key Specifications
| Specification |
Details |
| Model |
P28E / P28E003 |
| Battery Type |
Li-ion |
| Capacity |
40Wh |
| Voltage |
14.8V |
| Cell Configuration |
4-cell |
| Energy Output |
Standard daily computing |
| Charging Cycles |
~300–500 cycles |
| Build Type |
Internal OEM replacement battery |
| Color |
Black |
Original Dell P28E / P28E003 40Wh Battery Charging Speed and Efficiency
- Stable charging with Dell OEM adapters
- Efficient power usage for light workloads
- Optimized for battery lifespan and safety
- Low heat generation during normal operation
Original Dell P28E / P28E003 40Wh Battery Safety Protection Technologies
- Overcharge protection
- Over-discharge protection
- Short-circuit protection
- Over-voltage protection
- Thermal protection system
- Smart battery management IC
Original Dell P28E / P28E003 40Wh Battery Connectivity and Compatibility
- Designed for Dell Inspiron/Vostro models using P28E platform
- OEM internal connector system
- 14.8V architecture (with compatible 14.4V variants)
- Must match exact laptop model for safe installation
Original Dell P28E / P28E003 40Wh Battery Cable Strength and Durability
- Reinforced internal wiring
- Heat-resistant insulation materials
- Durable connector interface
- OEM-grade internal construction
Original Dell P28E / P28E003 40Wh Battery Energy Management and Heat Control
- Efficient power distribution system
- Stable voltage regulation under light load
- Controlled heat output during daily use
- Designed for basic productivity tasks
Original Dell P28E / P28E003 40Wh Battery Ideal Use Cases
- Students
- Office productivity
- Web browsing
- Email and document work
- Light multimedia use
- Everyday home computing
Original Dell P28E / P28E003 40Wh Battery Pros and Cons
| Pros |
Cons |
| Affordable OEM replacement |
Limited 40Wh capacity |
| Stable everyday performance |
Shorter runtime |
| Widely available replacement model |
Not suitable for heavy workloads |
| Lightweight internal design |
Internal installation required |
| Safe battery management system |
Basic performance level |
Original Dell P28E / P28E003 40Wh Battery FAQs
- Is this battery original?
It is available as OEM or OEM-compatible depending on supplier.
- How long does it last?
Typically 3–5 hours depending on usage.
- What voltage does it use?
It uses a 14.8V lithium-ion configuration (with compatible 14.4V variants).
- What laptops does it support?
Dell Inspiron/Vostro models using P28E or P28E003 battery platform.
- Does it require installation?
Yes, it is an internal battery and should be installed carefully.
Original Dell P28E / P28E003 40Wh Battery Conclusion
The Dell P28E / P28E003 40Wh 14.8V Original Battery is a reliable OEM replacement designed for everyday laptop use. It offers stable performance, safe operation, and affordability, making it ideal for students and office users in Kenya.