GPK 40w Power Adapter White for Lenovo Adp-40nh B 41r4441 45k2200 55y9361 0225a2040 Ac Adapter Power Cord Charger Input: 100 - 240 V (worldwide use) Power: 20V 2A 40W Service & Support 1 year warranty Designed exclusively for use with the laptops 100% compatibility with the original Replacement power supply AC power adapter was tested to match and/or exceed original product at low price.