GPK Systems Ac Adapter for Samsung Series 7 Chronos Np-700z3a Np700z3a Np-700z3ah Np700z3ah Np-700z4 Np700z4 Np-700z4a Np700z4a Np-700z4ah Np700z4ah Np-700z5a Np700z5a Np-700z5b Np700z5b Np-700z5bh Np700z5bh Np700z7c-s01us 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.