HP EliteBook 840 G3 battery Overview
The HP EliteBook 840 G3 battery is an OEM-compatible internal replacement designed for the HP EliteBook 840 G3 business laptop series. It typically uses a 3-cell lithium-ion/polymer design with a 46Wh capacity and 11.4V output, delivering reliable and stable power for professional use such as office work, browsing, video conferencing, and business applications. It is commonly based on the CS03XL battery platform used across multiple HP EliteBook G3 models.
- 46Wh lithium-ion capacity for balanced business usage
- 3-cell internal lightweight design for portability
- Stable 11.4V output for consistent performance
- CS03XL OEM-compatible battery platform
- Built-in protection against overcharging and overheating
- Designed for HP EliteBook 840 G3 business laptops
- Suitable for office productivity and enterprise use
HP EliteBook 840 G3 battery Specifications Table
| Specification |
Details |
| Product Name |
HP EliteBook 840 G3 battery |
| Voltage |
11.4V |
| Capacity |
46Wh |
| Battery Type |
Lithium-ion / Lithium-polymer |
| Cell Configuration |
3-cell |
| Platform |
CS03XL |
| Installation Type |
Internal battery |
| Compatibility |
HP EliteBook 840 G3 |
HP EliteBook 840 G3 battery Price in Kenya
| Item |
Price in Kenya (KES) |
| HP EliteBook 840 G3 CS03XL 46Wh battery |
4,500 – 8,500 KES |
HP EliteBook 840 G3 battery Performance
- Provides stable power for professional daily tasks
- Supports office software, browsing, and conferencing
- Ensures smooth multitasking for business workloads
- Restores original factory battery backup levels
- Ideal for corporate and student professional use
HP EliteBook 840 G3 battery Efficiency
- 46Wh capacity supports moderate to full work sessions
- Energy-efficient discharge for stable system operation
- Reduces unexpected shutdowns during office work
- Optimized for productivity-focused workloads
- Suitable for daily unplugged business use
HP EliteBook 840 G3 battery Safety Features
- Overcharge protection system
- Short-circuit prevention
- Overheat protection design
- Stable voltage regulation
- Smart battery management system (BMS)
HP EliteBook 840 G3 battery Compatibility
- HP EliteBook 840 G3
- HP EliteBook 820 G3 / 850 G3 series (CS03XL platform variants)
- Selected HP EliteBook G3 business laptops
HP EliteBook 840 G3 battery Durability
- Durable lithium-ion construction
- Supports multiple charge cycles (500–800 typical use range)
- Designed for long-term business use
- Resistant to gradual capacity degradation
- Maintains stable performance over time
HP EliteBook 840 G3 battery Pros and Cons
| Pros |
Cons |
| Stable 46Wh capacity for business use |
Not ideal for gaming or heavy graphics tasks |
| Lightweight internal design |
Moderate runtime compared to newer laptops |
| Reliable CS03XL platform |
Internal installation required |
| Good compatibility across EliteBook G3 series |
Battery life reduces with aging cycles |
| Strong safety protection system |
Limited to specific EliteBook models |
HP EliteBook 840 G3 battery FAQs
1. What is the battery capacity?
It has a 46Wh lithium-ion/polymer capacity.
2. What voltage does it use?
It operates at 11.4V.
3. Which laptops is it compatible with?
It is compatible with HP EliteBook 840 G3 and other EliteBook G3 models using CS03XL.
4. What platform does it use?
It uses the CS03XL battery platform.
5. Is it good for heavy gaming?
No, it is designed for business and productivity use only.
HP EliteBook 840 G3 battery Conclusion
The HP EliteBook 840 G3 46Wh battery is a reliable OEM replacement designed for professional and business users. With stable power delivery, safe operation, and solid compatibility across the EliteBook G3 lineup, it is ideal for office work, study, and everyday productivity needs.
