The HP HSTNN DB4R and HSTNN IB4R battery is a replacement internal battery used mainly in HP EliteBook and ZBook business laptops. It is designed for stable performance in professional environments such as office work, browsing, spreadsheets, presentations, and light multitasking.
This battery is commonly found in HP EliteBook 840 G1, 850 G1, 740 G1, and some ZBook 14 models. It is part of HP’s business-class 50Wh battery family.
Based on verified specifications, it typically uses a 3 cell lithium ion polymer design with about 50Wh capacity and 11.1V output.
Compatible with HP EliteBook 840 G1, 850 G1, 740 G1
Also used in select HP ZBook 14 series models
3 cell lithium ion polymer battery design
Around 50Wh capacity for balanced runtime
11.1V stable output for business performance
OEM compatible replacement battery family
Built in protection against overcharging and overheating
Designed for enterprise and professional laptops
HP HSTNN DB4R / HSTNN IB4R Battery Price in Kenya
Item
Price in Kenya (KES)
HP HSTNN DB4R / IB4R replacement battery
5,500 – 13,500 KES
HP HSTNN DB4R / HSTNN IB4R Battery Specifications Table
Specification
Details
Product Name
HP HSTNN DB4R / HSTNN IB4R battery
Battery Type
Lithium ion / Lithium polymer
Voltage
11.1V
Capacity
~50Wh
Cell Configuration
3 cell
Compatibility
HP EliteBook 840 G1, 850 G1, 740 G1, ZBook 14 series
Installation Type
Internal battery
HP HSTNN DB4R / HSTNN IB4R Battery Design and Build
Slim internal battery pack for EliteBook chassis
Lightweight 3 cell structure
Durable casing for business use
Precision fit for enterprise HP laptops
Built for long term reliability
HP HSTNN DB4R / HSTNN IB4R Battery Performance
Stable runtime for office productivity tasks
Consistent power delivery under load
Suitable for documents, browsing, and meetings
Optimized for business laptop efficiency
Supports moderate unplugged usage
HP HSTNN DB4R / HSTNN IB4R Battery Efficiency
Balanced energy consumption for daily work
Stable discharge curve
Low standby power drain
Designed for enterprise efficiency
Reliable across long usage cycles
HP HSTNN DB4R / HSTNN IB4R Battery Safety Features
Overcharge protection
Over discharge protection
Short circuit protection
Thermal management system
Smart battery control circuitry
HP HSTNN DB4R / HSTNN IB4R Battery Compatibility
HP EliteBook 840 G1
HP EliteBook 850 G1
HP EliteBook 740 G1
HP ZBook 14 series
HP HSTNN DB4R / HSTNN IB4R Battery Durability
High quality lithium cells
Multiple recharge cycles supported
Gradual capacity loss over time
Designed for business environments
Stable long term performance
HP HSTNN DB4R / HSTNN IB4R Battery Pros and Cons
Pros
Cons
Good 50Wh capacity for business use
Internal installation required
Stable and reliable performance
Not user removable
Widely compatible in EliteBook series
Degrades over time
Good OEM replacement option
Limited runtime for heavy workloads
Durable enterprise design
Not suitable for gaming
HP HSTNN DB4R / HSTNN IB4R Battery FAQs
What is the battery capacity
About 50Wh
What voltage does it use
11.1V
Which laptops use this battery
HP EliteBook 840 G1, 850 G1, 740 G1, ZBook 14 series
Is it good for gaming
No, it is designed for business use
Is it internal or removable
It is an internal battery
HP HSTNN DB4R / HSTNN IB4R Battery Conclusion
The HP HSTNN DB4R and IB4R 50Wh battery is a reliable replacement option for HP EliteBook and ZBook laptops. It delivers stable performance and consistent runtime, making it ideal for professional and office use.
