Extra Digital Advanced NB442300 Laptop Battery for Dell K5XWW - 7270mAh, 7.6V, 4-Cell Li-ion

With a 55.25Wh energy reserve and 7270mAh capacity, this Extra Digital Advanced battery keeps your Dell Latitude or XPS 13 running through demanding workdays. It replaces the original K5XWW pack and restores full portability to your business laptop.

Overview

Engineered for Dell Latitude 7280, 7380, 7480, 7290, 7390, 7490 and XPS 13 9360, 9370, 9380, this internal battery uses the OEM-equivalent part number K5XWW / 0K5XWW. It fits directly into the laptop's battery compartment and brings back day-to-day usability without compromise.

What stands out

• High-density 4-cell lithium-ion construction delivers a balanced weight-to-capacity ratio.
• Integrated smart chip technology communicates precise charge status and guards against overcharge, over-discharge, overcurrent, and short-circuit.
• CE, FCC, and RoHS certified for safe operation in various environments.
• Supports more than 500 charge cycles for a dependable service life.

Technical details

• Battery type: Lithium-ion (Li-ion)
• Nominal voltage: 7.6V
• Capacity: 7270mAh / 55.25Wh
• Cell count: 4
• Colour: Black
• Operating temperature: 0°C to 45°C
• Storage temperature: -20°C to 60°C
• Warranty: 12 months

Our verdict

For users of the specified Dell Latitude or XPS 13 models, this Extra Digital Advanced battery is a solid choice. It offers genuine capacity, robust safety protections, and a full-year warranty, all at a sensible price point.