Description

HP 921438-855 HSTNN-DB8C Battery Overview

The HP 921438-855 HSTNN-DB8C AB06XL battery is designed to restore reliable battery performance after the original battery begins losing capacity through normal daily use. Replacing an aging battery helps eliminate short runtime, unexpected shutdowns, and frequent charging, allowing your HP ENVY ultrabook to remain productive whether you're working in the office, travelling, or studying.

Featuring 53Wh capacity, approximately 6900mAh, 7.7V output, and premium Lithium-Ion/Lithium-Polymer technology, this battery delivers reliable power for office applications, web browsing, video conferencing, multimedia streaming, content creation, and multitasking. Intelligent protection circuitry safeguards against overcharging, overheating, overcurrent, overvoltage, and short circuits while ensuring safe charging and long service life. 

HP 921438-855 HSTNN-DB8C Battery Price in Kenya

HP 921438-855 HSTNN-DB8C Battery Specifications

HP 921438-855 HSTNN-DB8C Battery Capacity (Wh & mAh)

• 53Wh battery capacity provides dependable energy storage for compatible HP ENVY ultrabooks.

• Approximately 6900mAh capacity delivers stable electrical current during everyday computing and productivity tasks.

• Supports office work, virtual meetings, browsing, streaming, programming, and creative applications.

• Premium battery cells maintain reliable charging and discharge performance through hundreds of charging cycles.

• The battery capacity provides an excellent balance between long runtime, portability, and long-term reliability.

HP 921438-855 HSTNN-DB8C Battery Watt-hours (Wh)

• The 53Wh rating represents the total amount of energy stored inside the battery.

• Higher energy storage allows longer laptop operation before another recharge becomes necessary.

• Supports extended productivity while travelling or working remotely.

• Reduces charging interruptions throughout the day.

• HP battery management technology helps maximize charging efficiency and available runtime.

HP 921438-855 HSTNN-DB8C Battery Milliamp-hours (mAh)

• The battery stores approximately 6900mAh, providing dependable electrical current for compatible HP ENVY laptops.

• The mAh rating indicates the amount of electrical charge stored inside the battery cells.

• Stable current delivery supports smooth multitasking and reliable everyday performance.

• Premium battery cells help minimize unexpected shutdowns associated with battery wear.

• The mAh capacity works together with the 7.7V operating voltage to provide reliable power output.

HP 921438-855 HSTNN-DB8C Battery Voltage

• The battery operates at 7.7V, matching HP's factory electrical specifications for compatible ultrabooks.

• Correct voltage ensures proper communication between the battery and laptop charging controller.

• Stable voltage helps protect the processor, motherboard, SSD, memory, and internal electronics.

• Proper voltage regulation improves charging efficiency and battery reliability.

• Intelligent battery management continuously regulates voltage throughout charging and discharge cycles.

HP 921438-855 HSTNN-DB8C Battery Chemistry

• Built using Lithium-Ion / Lithium-Polymer technology for dependable long-term performance.

• High-density battery cells provide excellent energy storage while maintaining a slim ultrabook design.

• The battery supports reliable charging with minimal self-discharge during storage.

• Premium battery cells maintain consistent performance across hundreds of charging cycles.

• Integrated safety electronics protect against overheating, overcharging, overcurrent, and electrical faults.

HP 921438-855 HSTNN-DB8C Battery Cells

• The AB06XL battery features a 6-cell configuration.

• Six high-density battery cells provide extended runtime while maintaining a lightweight notebook design.

• Balanced cell operation improves charging efficiency and battery stability.

• Intelligent monitoring distributes power evenly across all battery cells.

• The 6-cell configuration delivers an excellent balance between runtime, portability, and long-term battery lifespan.

HP 921438-855 HSTNN-DB8C Laptop Battery FAQs

Which battery model is compatible with HP part number 921438-855?
The compatible battery model is AB06XL. 

What is the battery capacity?
The battery has approximately 53Wh capacity.

What voltage does this battery use?
It operates at 7.7V.

How many cells does the battery have?
It features a 6-cell configuration.

Which laptops use this battery?
It is commonly used in compatible HP ENVY 13-ad series laptops. 

Is this battery rechargeable?
Yes. It is a rechargeable internal laptop battery.

Does it include safety protection?
Yes. It includes protection against overcharging, overheating, overcurrent, overvoltage, and short circuits.

HP 921438-855 HSTNN-DB8C Battery Conclusion

The HP 921438-855 HSTNN-DB8C AB06XL 53Wh Battery is an excellent replacement solution for restoring dependable battery life and portable ultrabook performance. Featuring 53Wh capacity, approximately 6900mAh storage, 7.7V output, Lithium-Ion/Lithium-Polymer technology, and a 6-cell design, it provides reliable power for compatible HP ENVY laptops.

Available for KSh 8,000, this AB06XL replacement battery delivers dependable charging, extended runtime, and long-lasting everyday performance.