Compatibility: Dell Latitude 7280 / 7290 / E7280 / E7290 series
Platform Support: Dell Latitude 12 7000 Series business ultrabooks
Design: Internal OEM replacement battery
Charging Support: Dell Smart Charge / Power Management system
Part Numbers: Compatible Latitude 7280 / 7290 40Wh battery family variants
Dell Latitude 7280 / 7290 40Wh Laptop Battery Dell Latitude 12 7000 Series Battery Overview
The Dell Latitude 7280 / 7290 40Wh laptop battery is an OEM internal replacement designed for Dell’s 12 7000 series ultrabooks. It delivers stable voltage output, efficient power usage, and reliable runtime for everyday business tasks such as office work, browsing, email, and video conferencing.
This 40Wh configuration is the standard lightweight option used in Latitude 7280 and 7290 models, prioritizing portability and efficiency over extended runtime. It is widely used in business environments where mobility is essential.
Industry specifications confirm this battery as a 2-cell 7.6V lithium-ion pack with 40Wh capacity for Latitude 12 7000 series laptops such as 7280 and 7290.
Dell Latitude 7280 / 7290 40Wh Laptop Battery Dell Latitude 12 7000 Series Battery Price Table
Product
Price in Kenya (KSh)
Dell Latitude 7280 / 7290 40Wh Laptop Battery
6,500 – 12,500
Dell Latitude 7280 / 7290 40Wh Laptop Battery Dell Latitude 12 7000 Series Battery Key Specifications
Specification
Details
Model
Dell Latitude 7280 / 7290 Series
Platform
Dell Latitude 12 7000 Series
Battery Type
Lithium-ion
Capacity
40Wh
Voltage
7.6V
Cell Configuration
2-cell
Build Type
Internal replacement battery
Cycle Life
~300–500 cycles
Charging System
Dell Smart Charge / Power Management
Dell Latitude 7280 / 7290 40Wh Laptop Battery Charging Performance
Stable charging for business workloads
Supports Dell smart charging systems
Efficient power delivery for ultrabook tasks
Full charge typically in ~2–3 hours
Optimized for lightweight daily use
Dell Latitude 7280 / 7290 40Wh Laptop Battery Safety Features
Overcharge protection
Over-discharge protection
Short-circuit protection
Thermal regulation system
Smart battery IC management
Dell Latitude 7280 / 7290 40Wh Laptop Battery Compatibility
Dell Latitude 7280
Dell Latitude 7290
Dell Latitude E7280 / E7290
Dell Latitude 12 7000 Series ultrabooks
Always confirm exact battery part number before purchase
Dell Latitude 7280 / 7290 40Wh Laptop Battery Energy Efficiency
Optimized for ultrabook portability
Balanced runtime and weight
Stable voltage under multitasking
Ideal for office and travel use
Dell Latitude 7280 / 7290 40Wh Laptop Battery Ideal Use Cases
Business professionals
Students
Frequent travelers
Office users
Remote workers
Dell Latitude 7280 / 7290 40Wh Laptop Battery Pros and Cons
Pros
Cons
Lightweight 40Wh design
Limited runtime under heavy use
Stable 7.6V output
Internal installation required
OEM safety protections
Not suitable for gaming/workstation loads
Good portability
Shorter runtime than 60Wh versions
Reliable business performance
Must match exact model compatibility
Dell Latitude 7280 / 7290 40Wh Laptop Battery Conclusion
The Dell Latitude 7280 / 7290 40Wh laptop battery is a reliable OEM replacement designed for Dell Latitude 12 7000 series ultrabooks. It delivers stable performance, safe charging, and efficient everyday runtime, making it a practical choice for users in Kenya who prioritize portability and dependable business productivity.