HP 921438-855 HSTNN-DB8C Battery Overview
The HP 921438-855 HSTNN-DB8C battery is a premium OEM-compatible replacement designed for select HP ENVY 13-series ultrabooks. It is commonly built on the AB06XL battery platform, which is used in slim HP ENVY laptops for stable power delivery and efficient performance.
This battery typically features a 53.16Wh–53.61Wh capacity, 7.7V output, and 6-cell lithium-ion or lithium-polymer design, making it suitable for productivity, business use, browsing, and lightweight creative tasks.
- Uses OEM-compatible AB06XL / 921438-855 platform
- High capacity around 53Wh for extended runtime
- 7.7V stable output for ultrabook efficiency
- Designed for HP ENVY 13-AD series laptops
- 6-cell lithium-ion / lithium-polymer construction
- Built-in protection against overcharging and overheating
- Ideal for portable business and productivity use
HP 921438-855 HSTNN-DB8C Battery Specifications Table
| Specification |
Details |
| Product Name |
HP 921438-855 HSTNN-DB8C battery |
| Voltage |
7.7V |
| Capacity |
53.16Wh – 53.61Wh |
| Battery Type |
Lithium-ion / Lithium-polymer |
| Platform |
AB06XL |
| Cell Configuration |
6-cell |
| Compatibility |
HP ENVY 13-AD series / HSTNN-DB8C models |
| Installation Type |
Internal battery |
HP 921438-855 HSTNN-DB8C Battery Price in Kenya
| Item |
Price in Kenya (KES) |
| HP 921438-855 HSTNN-DB8C battery |
6,500 – 13,000 KES |
HP 921438-855 HSTNN-DB8C Battery Design and Build
- Ultra-slim internal ultrabook design
- Lightweight structure for portability
- High-grade lithium-ion/polymer cells
- Precision fit for HP ENVY 13 chassis
- Built for premium thin-and-light laptops
HP 921438-855 HSTNN-DB8C Battery Performance
- Provides strong battery life for ultrabook usage
- Supports browsing, office work, and streaming
- Handles light multitasking efficiently
- Delivers stable power output under normal load
- Optimized for energy-efficient performance
HP 921438-855 HSTNN-DB8C Battery Efficiency
- Designed for low-power ultrabook systems
- Maintains stable voltage delivery
- Reduces energy loss during standby
- Improves overall battery runtime
- Suitable for mobile professionals
HP 921438-855 HSTNN-DB8C Battery Safety Features
- Overcharge protection
- Short-circuit protection
- Overheat protection
- Voltage regulation system
- Smart battery management system
HP 921438-855 HSTNN-DB8C Battery Compatibility
- HP ENVY 13-AD000 series
- HP ENVY 13-AD010 / 13-AD020 series
- HP ENVY 13-AD023TU and related models
- Compatible part numbers: AB06XL, 921408-2C1, 921438-855, HSTNN-DB8C
HP 921438-855 HSTNN-DB8C Battery Durability
- High-quality Grade A lithium cells
- Supports multiple recharge cycles
- Stable long-term performance
- Resistant to capacity degradation
- Built for extended ultrabook lifespan
HP 921438-855 HSTNN-DB8C Battery Pros and Cons
| Pros |
Cons |
| High 53Wh capacity |
Higher cost than standard batteries |
| Strong ENVY 13 compatibility |
Internal installation required |
| Stable ultrabook performance |
Not suitable for gaming laptops |
| Lightweight and slim design |
Limited to specific HP models |
| Good safety protection |
Availability may vary |
HP 921438-855 HSTNN-DB8C Battery FAQs
- What is the battery capacity?
- It is around 53.16Wh to 53.61Wh.
- What voltage does it use?
- Which laptops is it compatible with?
- It is compatible with HP ENVY 13-AD series laptops using AB06XL / HSTNN-DB8C batteries.
- What battery platform does it use?
- It uses the AB06XL platform.
- Is it suitable for gaming?
- No, it is designed for ultrabook productivity and light tasks.
HP 921438-855 HSTNN-DB8C Battery Conclusion
The HP 921438-855 HSTNN-DB8C battery is a reliable replacement for HP ENVY ultrabooks, offering strong capacity, stable performance, and efficient power delivery for professional and everyday mobile use.