Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Specifications
- Battery Type: Li-ion / Li-polymer high-density cells
- Capacity: 57Wh high-capacity configuration
- Voltage: 11.4V stable output
- Cells: 3-cell internal lithium-polymer pack
- Compatibility: Dell Latitude 7640 battery family
- Platform Support: Dell Latitude 7640 / Latitude 7440 / Latitude 7340 series
- Design: Internal OEM replacement battery
- Charging Support: Dell ExpressCharge / USB-C fast charging
- Part Numbers: WW8N8 / 66DWX / V0W55 / 86D0Y compatible variants
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Overview
The Dell Latitude 7640 i7-1370P 11.4V 57Wh laptop battery is an OEM internal replacement battery designed for Dell’s premium Latitude ultrabooks. It delivers stable voltage output, efficient energy usage, and reliable runtime for business productivity, multitasking, video conferencing, and remote work.
The Latitude 7640 platform commonly uses a 3-cell 57Wh 11.4V lithium-polymer battery, offering longer runtime than the smaller 38Wh configuration available on some Latitude 7000-series models. Verified replacement listings confirm compatibility with part numbers such as WW8N8 and 66DWX, both rated at 11.4V and 57Wh.
This battery configuration is optimized for Intel Core i7-1370P systems, balancing performance and portability for enterprise users who need dependable all-day productivity.
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Price Table
| Product | Price in Kenya (KSh) |
|---|---|
| Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery | 8,500 – 18,500 |
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Key Specifications
| Specification | Details |
|---|---|
| Model | Dell Latitude 7640 |
| Platform | Latitude 7000 ultrabook series |
| Processor Support | Intel Core i7-1370P |
| Battery Type | Lithium-ion / Lithium-polymer |
| Capacity | 57Wh |
| Voltage | 11.4V |
| Cell Configuration | 3-cell |
| Build Type | Internal replacement battery |
| Cycle Life | ~300–500 cycles |
| Charging System | Dell ExpressCharge / USB-C |
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Charging Performance
- Stable charging for business workloads
- Supports Dell ExpressCharge technology
- Efficient USB-C power delivery
- Full charge typically in ~2.5–3.5 hours
- Longer runtime than 38Wh variants
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Safety Features
- Overcharge protection
- Over-discharge protection
- Short-circuit protection
- Thermal regulation system
- Smart battery IC management
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Compatibility
- Dell Latitude 7640
- Dell Latitude 7440
- Dell Latitude 7340
- Compatible WW8N8 / 66DWX / V0W55 battery family systems
- Always confirm exact part number before purchase
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Durability & Build
- High-density lithium-polymer cells
- OEM-grade internal casing
- Stable discharge under multitasking
- Designed for enterprise ultrabooks
- Secure internal connector design
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Energy Efficiency
- Balanced portability and runtime
- Stable voltage under office workloads
- Efficient for Intel Core P-series processors
- Improved endurance compared to smaller battery options
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Ideal Use Cases
- Business professionals
- Corporate users
- Students
- Remote workers
- Frequent travelers
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Pros and Cons
| Pros | Cons |
|---|---|
| Good 57Wh capacity | Internal installation required |
| Stable 11.4V output | Not user-removable |
| Longer runtime than 38Wh models | Must confirm exact compatibility |
| OEM safety protections | Premium replacement pricing |
| Efficient USB-C charging | Moderate runtime under heavy workloads |
Dell Latitude 7640 i7-1370P 11.4V 57Wh Laptop Battery Conclusion
The Dell Latitude 7640 i7-1370P 11.4V 57Wh laptop battery is a reliable OEM replacement designed for Dell business ultrabooks. It offers stable performance, safe charging, and dependable battery life, making it a practical replacement option in Kenya for professionals who need efficient portable productivity throughout the workday.
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