Genuine Lenovo ThinkPad T430si T420s 45N1143 45N1038 Battery 11.1v 3.9Ah 44WH Li-ion 81

Power your compatible Lenovo ThinkPad with the Genuine Lenovo ThinkPad T430si/T420s Battery, an original OEM lithium-ion replacement engineered for reliable performance and long-lasting battery life. Featuring an 11.1V output, 3.9Ah capacity, 44Wh power rating, and Li-ion cell technology, this battery delivers stable charging and dependable runtime for business, work, school, web browsing, streaming, and everyday computing. Compatible with Lenovo ThinkPad T430si and ThinkPad T420s laptops, it replaces Lenovo part numbers 45N1143 and 45N1038. Manufactured to Lenovo’s original quality standards, it ensures a precise fit, safe operation, and seamless compatibility, making it the ideal replacement for an aging, damaged, or worn-out battery.