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The 74Wh Type 357F9 Battery is a high-performance replacement battery designed specifically for Dell Inspiron 15 7000 series laptops, including models 7559, 7557, 7567, 7566, 7759, and the 15 5576 and 5577. This 6-cell lithium-ion battery offers a capacity of 74Wh, ensuring ample power for extended use, whether you're working on demanding tasks, streaming videos, or gaming.Operating at a voltage of 11.1V or 11.4V, this battery is engineered to deliver consistent energy output for reliable performance. Its robust construction and compatibility with various Dell models make it an excellent choice for users looking to restore their laptop’s functionality and extend its lifespan.With built-in safety features to prevent overcharging and overheating, the 357F9 battery ensures safe operation. Easy to install, it allows users to quickly replace their old or depleted battery without the need for professional assistance. Upgrade your laptop's power capabilities with the 74Wh Type 357F9 Battery, designed to keep you productive and connected throughout your day.