Axiom energy conversion produces adapters for laptops. The requirements for this laptop are laptop adapter 15v - 19v@3.5 amps [70w] / 19v-24v@3.5 amps [70w]. The input operating range of these adapters is 100 - 300vac - 50/60hz. Other technical features of the adapter are: operating temperature- 0 - 50°c; non-operating- 0 - 75°c; humidity- 5 percent to 95 percent non-condensing. The adapters are designed in such a way that they meet iec 1950 standards. Weight of adapter is approximately 300 grams and dimensions are: l 123 mm x w. 61 mm x h 40 mm. Axiom also offers wll phone adapters, general purpose ac-dc adapters and switching power supplies for wireless application.