2-Power pääakku Lenovo ThinkPad T490S 20NX - akku - 55 mAh (2P-5B10W13878)

Your Lenovo ThinkPad T490S 20NX is a workhorse, but its battery won't last forever. When the original pack starts to fade, this 2-Power replacement battery restores full-day productivity. Designed for professionals who rely on their ThinkPad in the office, at client sites, or on the road, this 55Wh lithium-ion battery delivers reliable power for extended work sessions. It's a direct replacement for Lenovo part number 5B10W13878, ensuring a perfect fit and seamless integration.

Key specifications

• Battery type: Lithium-Ion (Li-ion)
• Capacity: 55 Wh (4760 mAh)
• Voltage: 11.55 V
• Number of cells: 3
• Compatibility: Lenovo ThinkPad T490S 20NX, 20NY, ThinkPad X390, X395, P13s Gen 1
• Colour: Black
• Condition: New
• Warranty: 1 year

Why choose it

This battery is engineered to meet or exceed original specifications, providing consistent performance and long service life. Built-in safety features protect against overcharging, over-discharging, overcurrent, and short circuits, ensuring safe operation for your device. The 3-cell design balances capacity and weight, keeping your laptop portable without sacrificing runtime. With a 1-year warranty, you can trust in its durability and reliability.

Ideal use cases

• Replacing a worn-out original battery to restore full mobility.
• Keeping a spare battery for long trips or off-grid work.
• Extending the life of an older ThinkPad for cost-effective productivity.

Good to know

Installation is straightforward: power off the laptop, remove the bottom cover, and swap the battery. No special tools are required, and the battery is an internal component, so it stays securely in place. For optimal performance, fully charge and discharge the battery a few times after installation. This product is CE, RoHS, and FCC certified, meeting strict quality and environmental standards.