Batterie de portable Dell 56WHr 3 cellules, référence 487TX

The Dell 56WHr 3-cell laptop battery is a rechargeable replacement power unit designed for compatible Dell notebooks. With a 56 watt-hour capacity and a compact 3-cell layout, this battery restores portable runtime for everyday computing, business travel and mobile work. It supports standard charging and installation procedures used in many Dell laptop models and is intended to replace worn or failing original batteries to return the device to normal battery-powered operation.

Advantages

This 56WHr 3-cell battery delivers predictable runtime for productivity tasks while maintaining a compact size and weight. Its chemistry and cell configuration are optimized to fit specified Dell laptop chassis and connection interfaces, enabling straightforward installation without modifying other components. The battery supports regular charging cycles and provides stable power delivery under typical usage conditions, helping to maintain system performance and mobility.

Key specifications

• Capacity: 56 WHr (watt-hours)
• Cell count: 3-cell configuration
• Type: rechargeable lithium-based laptop battery
• Compatibility: designed for compatible Dell notebook models (check device compatibility before purchase)
• Intended use: internal user-replaceable or service-replaceable laptop battery

How to use

Power off the notebook and disconnect any external power source before replacing the battery. Remove the battery according to the laptop manufacturer’s instructions, install the replacement battery in the correct orientation and secure it in place. After installation, connect the mains adapter and allow the battery to charge to full capacity. Use the operating system battery management tools to verify battery recognition and charge status. Follow the laptop manufacturer’s guidance for any required calibration or firmware updates.

Recommendations

For reliable operation, charge the battery using the original or manufacturer-approved AC adapter and avoid exposing the battery to extreme temperatures. Store the battery partially charged if it will not be used for extended periods. Replace the battery when runtime falls below acceptable levels or if the system reports battery faults; dispose of the old battery in accordance with local battery recycling regulations.