Battery Rechargeable 49Wh for Lenovo ThinkPad T450 T460 X240 X250 45N1124

Restore mobility and independence to your ThinkPad

High-quality replacement battery, designed for a wide range of legendary Lenovo ThinkPad business laptops. This external, removable battery (3-cell) works with Power Bridge technology, allowing you to swap batteries without turning off your computer. It's the perfect solution for restoring your laptop's long runtime and the freedom to work away from a power outlet.

Efficient cells and Power Bridge technology

The 49 Wh (4400 mAh) battery is built based on modern lithium-ion (Li-Ion) cells, which ensure stable operation and no memory effect. Thanks to the Power Bridge system, you can freely replace this external battery (hot-swap), while your laptop is powered by a small, built-in internal battery. This gives you virtually unlimited operating time while traveling.

Quality and safety

The battery is equipped with advanced control electronics and a number of protections, including overcharging, deep discharge, short circuit and overheating. Precise workmanship guarantees a perfect fit in the laptop socket, ensuring full safety and reliability.

Wide compatibility with the ThinkPad series

The battery is a direct replacement for the original external batteries and fits, among others, the following laptop models:

• T Series: T440, T440s, T450, T450s, T460, T550, T560
• X Series: X240, X250, X260, X270
• L Series: L450, L460, L470
• W Series: W550s
• Replaces, among others, Lenovo part numbers (FRU/ASM): 0C52861, 0C52862, 45N1124, 45N1125, 45N1126, 45N1127, 45N1128, 45N1129, 45N1137, 45N1737, 45N1777 and others.

Technical specifications

• Battery type: External, removable (for Power Bridge system)
• Technology: Lithium-Ion (Li-Ion)
• Capacity: 4400 mAh / 48.84 Wh
• Voltage: 11.1 V
• Number of links: 3
• Color: Black