GPK Systems Ac Adapter for Lenovo Thinkpad Edge L410, L412, L420, L421, L510, L512, L520, R60, R60e, R61, R61e, R61i, R400, R500, Sl300, Sl400, Sl410, Sl500, Sl510, T60, T60p, T61, T400, T400s, T410, T410i, T410s, T410si, T420, T420s, T500, T510, T510i, T520 Dual Core Models, X60, X60 Laptop Power Cord Charger Input: 100 - 240 V (worldwide use) Output: 20V 4.5A 90 Watt 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.