Lenovo ThinkPad L440, L540, S431 Box Pack Laptop Battery Adapter Charger 65w 20v 3.25a
Get power when you need it, where you need it with the Lenovo 65W AC Adapter. Keep one in the office, one at home, and another in your carrying case for convenient access to power. Just plug it into an available outlet to AC power to the compatible Lenovo NBs and recharge the system battery. Lenovo AC adapters are compact, energy efficient and backed by a 1 year warranty.