42T4555

This Lenovo 4-cell Li-Ion battery offers dependable power for several ThinkPad models including the T400, R400, T61, and R61. It's designed to keep your laptop running smoothly when you're away from a power source, making it a practical choice for business professionals and students alike.

Often found in work or travel setups, this battery helps extend the usable time between charges. Users who depend on their laptops for long hours will find it especially useful to have a spare or replacement on hand.

Key Features

• Capacity tailored to provide balanced power without adding extra bulk
• Compatible with multiple ThinkPad series for versatile use
• Built to maintain laptop performance through consistent energy delivery
• Simple installation ensures quick replacement without technical assistance
• Constructed with quality cells to support long-term durability

This battery is commonly deployed in office environments, classrooms, and remote work locations where consistent laptop power is critical. Its reliable performance helps avoid interruptions caused by unexpected power loss, making it a practical accessory for keeping devices operational throughout the day.