HP 921439-855 battery Overview
The HP 921439-855 battery is an OEM-compatible replacement designed primarily for HP ENVY 13-ad series ultrabooks. It is commonly based on the AD03XL battery platform, delivering efficient and stable power for lightweight, high-performance laptops.
With a capacity of around 51.4Wh and an 11.55V output, this battery provides reliable runtime for productivity, multimedia, and everyday computing tasks.
HP 921439-855 battery Key Features
- OEM-compatible AD03XL battery platform
- 51.4Wh lithium-ion capacity for extended ultrabook runtime
- Stable 11.55V output for consistent performance
- 3-cell lightweight internal battery design
- Built-in protection against overcharging and overheating
- Designed for HP ENVY 13-ad series laptops
- Suitable for productivity and multimedia usage
HP 921439-855 battery Specifications Table
| Specification | Details |
|---|---|
| Product Name | HP 921439-855 battery |
| Voltage | 11.55V |
| Capacity | 51.4Wh |
| Battery Type | Lithium-ion / Lithium-polymer |
| Platform | AD03XL |
| Cell Configuration | 3-cell |
| Compatibility | HP ENVY 13-ad series |
| Installation Type | Internal battery |
HP 921439-855 battery Price in Kenya
| Item | Price in Kenya (KES) |
|---|---|
| HP 921439-855 battery | 7,500 – 10,500 KES |
HP 921439-855 battery Performance
- Reliable performance for ultrabooks and slim laptops
- Supports office work, browsing, and streaming
- Stable power delivery for efficient CPU usage
- Restores original battery runtime efficiency
- Suitable for professionals and students
HP 921439-855 battery Efficiency
- Optimized 51.4Wh capacity for ultrabook portability
- Efficient energy consumption for lightweight devices
- Reduced power fluctuations during operation
- Balanced runtime for daily workloads
- Maintains consistent system responsiveness
HP 921439-855 battery Safety Features
- Overcharge protection system
- Short-circuit prevention
- Overheat protection design
- Stable voltage regulation
- Smart lithium battery management circuitry
HP 921439-855 battery Compatibility
- HP ENVY 13-ad series laptops
- Compatible with AD03XL / 921409-2C1 platform variants
- Internal OEM replacement fit
- No modification required
HP 921439-855 battery Durability
- Durable lithium-ion construction
- Supports multiple recharge cycles
- Resistant to gradual capacity degradation
- Designed for ultrabook usage patterns
- Stable long-term performance
HP 921439-855 battery Pros and Cons
| Pros | Cons |
|---|---|
| Good 51.4Wh capacity for ultrabooks | Not suitable for gaming laptops |
| Lightweight 3-cell design | Internal installation required |
| Stable 11.55V output | Limited to ENVY 13 series |
| OEM-compatible AD03XL platform | Moderate runtime vs larger batteries |
| Built-in safety protections | Availability may vary |
HP 921439-855 battery FAQs
1. What is the battery capacity?
It has a 51.4Wh capacity suitable for ultrabooks.
2. What voltage does it use?
It operates at 11.55V.
3. Which laptops is it compatible with?
It is mainly compatible with HP ENVY 13-ad series laptops.
4. What battery model does it use?
It uses the AD03XL battery platform.
5. Is it suitable for heavy gaming?
No, it is designed for ultrabook productivity and everyday tasks.
HP 921439-855 battery Conclusion
The HP 921439-855 battery is a dependable OEM-compatible replacement designed for HP ENVY ultrabooks. With its 51.4Wh capacity, efficient power delivery, and built-in safety features, it provides reliable performance for everyday computing and professional use.
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