GPK Systems Ac Adapter for Samsung Np-rc512 Np-rc512i Np-rf510 Np-rf511 Np-rf710 Np-rc512-a01us ; Samsung Series 3 Np-300v4a Np300v4a Np-300v5a Np300v5a Np-305v5a Np305v5a Np305v5a-a09us Np300a5a-a01ub Np300v5a-a0kus Np300va-a0bus ; Series 7 700z5a Np700z5a-s06us Laptop Power Supply Cord Notebook Battery Charger Input: 100 - 240 V (worldwide use) Output: 19V 4.74A 90w 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.