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Historique de l'introduction : Lenovo ThinkPad T490 Battery Replacement

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Introduction
This guide provides essential steps for troubleshooting and replacing your laptop battery. If you’re encountering power issues or reduced battery life, you’ll find practical solutions to help you identify and resolve these problems.
Laptop batteries are crucial for providing portable power, but they can degrade over time due to charging cycles, heat, and age. To maintain battery health, regularly calibrate, avoid extreme temperatures, and manage charging habits. Proper care can extend your battery's lifespan and ensure reliable performance on the go.