A high-quality lithium-ion battery designed to meet or exceed OEM specifications for select ThinkPad laptops. Ideal for replacing old or failing batteries to restore portability.

Features & Specifications:
Compatible with: T410, T420, T510, T520, W520, E50, L510
Type: Li-ion
Voltage: 10.8V or 11.1V (varies by model)
Capacity: Typically 4400mAh – 5200mAh
Cells: 6 or 9-cell options
Certified for safety and performance
No memory effect – can be charged anytime
Warranty: 10 days