Quick tech specs
- Power adapter
- 11
- for Lenovo ThinkPad E440; E540; ThinkPad Edge E431; E531; ThinkPad S431; T440; T540; X240
- car / airplane
- 16 V
Know your gear
The Lind IB1935-4144 DC/DC Power Adapter is designed to power your Lenovo laptop computer and to charge its internal battery from an 11-16VDC power source. The adapter supplies current and voltage levels as required by the laptop.