Compatibility: Dell Latitude 14 7000 Series (7480 / 7490)
Platform Support: Dell Latitude business ultrabook series
Design: Internal OEM replacement battery
Charging Support: Dell Smart Charge / ExpressCharge compatible systems
Part Numbers: DJ1J0 / F3YGT / compatible 40Wh Latitude battery family
Dell Latitude 7480 / 7490 40Wh Battery Overview
The Dell Latitude 7480 / 7490 11.4V 40Wh battery is an OEM replacement designed for Dell’s lightweight business ultrabooks in the Latitude 7000 series. It provides stable voltage output and efficient power management for everyday productivity tasks.
With a 40Wh capacity, this battery is optimized for portability and basic usage such as office work, browsing, emails, and travel use. It is not intended for heavy workloads, but it offers a good balance of weight, efficiency, and reliability.
The battery integrates fully with Dell’s power management system to ensure safe charging, accurate battery reporting, and stable system performance.
Dell Latitude 7480 / 7490 11.4V 40Wh Laptop Battery
7,000 – 15,000
Dell Latitude 7480 / 7490 40Wh Battery Key Specifications
Specification
Details
Model
Dell Latitude 7480 / 7490
Platform
Dell Latitude 14 7000 Series
Battery Type
Lithium-ion / Lithium-polymer
Capacity
40Wh
Voltage
11.4V
Cell Configuration
3-cell
Build Type
Internal replacement battery
Cycle Life
~300–500 cycles
Charging System
Dell Smart Charge / ExpressCharge
Dell Latitude 7480 / 7490 Battery Charging Performance
Stable charging for daily use
Supports Dell ExpressCharge (system dependent)
Efficient energy use for light workloads
Full charge typically in ~2–3 hours
Designed for low power consumption laptops
Dell Latitude 7480 / 7490 Battery Safety Features
Overcharge protection
Over-discharge protection
Short-circuit protection
Thermal management system
Smart battery IC protection
Dell Latitude 7480 / 7490 Battery Compatibility
Dell Latitude 7480
Dell Latitude 7490
Dell Latitude 14 7000 Series ultrabooks
Compatible with DJ1J0 / F3YGT 40Wh battery family variants
Dell Latitude 7480 / 7490 Battery Durability & Build
High-quality lithium cells
OEM-grade internal casing
Stable discharge for business workloads
Designed for daily mobility use
Secure internal connector design
Dell Latitude 7480 / 7490 Battery Energy Efficiency
Optimized for ultrabook power efficiency
Balanced runtime for office productivity
Stable voltage output under normal load
Ideal for travel and lightweight use
Dell Latitude 7480 / 7490 Battery Ideal Use Cases
Business professionals
Students
Office users
Frequent travelers
Light productivity workloads
Dell Latitude 7480 / 7490 Battery Pros and Cons
Pros
Cons
Lightweight 40Wh design
Limited runtime under heavy use
Stable 11.4V output
Not suitable for gaming or heavy workloads
OEM safety protections
Internal installation required
Good compatibility with Latitude 7480/7490
Lower capacity than 60Wh upgrade options
Reliable for daily office tasks
Shorter battery life compared to higher Wh versions
Dell Latitude 7480 / 7490 Battery Conclusion
The Dell Latitude 7480 / 7490 11.4V 40Wh laptop battery is a reliable OEM replacement designed for Dell’s business ultrabooks. It offers stable performance, safe charging, and efficient everyday runtime, making it ideal for users in Kenya who prioritize portability and basic productivity.
