Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Specifications

• Battery Type: Li-ion high-density cells
• Capacity: 57Wh standard configuration
• Voltage: 11.4V stable output
• Cells: 3-cell internal lithium-polymer pack
• Compatibility: Dell 66DWX / 086D0Y / WW8N8 battery family
• Platform Support: Dell Latitude 7340 / 7440 / 7640 series and select business laptops
• Design: Internal OEM replacement battery
• Charging Support: Dell Smart Charge / ExpressCharge systems
• Part Numbers: 66DWX / 086D0Y / WW8N8 / JNYT4 / 047T0 compatible variants

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Overview

The Dell 66DWX / 086D0Y 11.4V 57Wh laptop battery is an OEM internal replacement designed for modern Dell Latitude business laptops. It delivers stable voltage output, efficient energy capacity, and reliable runtime for everyday productivity tasks such as office work, browsing, video conferencing, and multitasking.

This 57Wh 11.4V 3-cell battery is commonly used in Dell Latitude 7340, 7440, 7640 and related enterprise models. Verified specifications confirm that the 66DWX / 086D0Y battery is a standard 57Wh lithium-ion pack designed for long cycle life and stable performance under business workloads.

It integrates with Dell’s smart battery management system to ensure safe charging, thermal protection, and consistent power delivery during daily use.

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Price Table

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Key Specifications

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Charging Performance

• Stable charging for business workloads
• Supports Dell ExpressCharge (system dependent)
• Efficient power delivery for multitasking
• Full charge typically in ~2–3.5 hours
• Optimized for consistent enterprise use

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Safety Features

• Overcharge protection
• Over-discharge protection
• Short-circuit protection
• Thermal regulation system
• Smart battery IC management

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Compatibility

• Dell Latitude 7340
• Dell Latitude 7440
• Dell Latitude 7640
• Compatible WW8N8 / JNYT4 / 047T0 battery family systems
• Always confirm exact part number before purchase

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Durability & Build

• High-quality lithium-ion cells
• OEM-grade internal casing
• Stable discharge under business workloads
• Designed for enterprise laptops
• Secure internal connector design

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Energy Efficiency

• Optimized for professional productivity
• Balanced runtime and portability
• Stable voltage under multitasking
• Ideal for business users and students

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Ideal Use Cases

• Business professionals
• Office users
• Students
• Remote workers
• Everyday productivity tasks

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Pros and Cons

Dell 66DWX / 086D0Y 11.4V 57Wh Laptop Battery Conclusion

The Dell 66DWX / 086D0Y 11.4V 57Wh laptop battery is a reliable OEM replacement designed for Dell Latitude business laptops. It delivers stable performance, safe charging, and dependable everyday runtime, making it a practical choice for users in Kenya who need a durable replacement battery for professional use.