Dell 66DWX / WW8N8 Battery 57Wh (Latitude 7340–7650)

Dell 66DWX / WW8N8 57Wh Li-ion battery, perfectly compatible with Latitude 7340, 7350, 7440, 7450, 7640, 7650 laptops. Dell 66DWX (WW8N8) 57 Wh Li-ion battery is a high performance replacement part designed for Dell Latitude ultrabook laptops. It offers steady power output, reliable safety features, and optimal compatibility to keep your system running smoothly.

• 100% New & Unused Pristine, never refurbished or reused.
• High Capacity & Voltage 57 Wh (4878 mAh), 11.4 V for lasting performance.
• Smart Protection Circuitry Built-in safeguards against overcharging, overheating, and short circuits.
• Perfect Fit & Easy Installation Compatible form factor and connector that match original design.
• Stable & Safe Performance Designed to meet OEM specifications and deliver reliable battery life.

Compatible Laptop Models

• Dell Latitude 7340, 7350, 7440, 7450, 7640, 7650 and related sub-variants.