[. . . ] Select the correct smart voltage card for your laptop by referring to the compatibility list below, confirm your voltage selection is correct by checking the regulatory label on the back of your laptop or voltage rating next to the laptop power port. [. . . ] Although this product incorporates a multiple-protection circuit, please take note of the following precautions: o 1. Do not use the adaptor if the input cables, output cables or plugs are damaged in any way. Please ensure that your select the correct Smart Voltage Card before charging and powering your Notebook PC. Please confirm the maximum power requirement of your Notebook PC before using. The polarity of output power from this power adaptor is Center Polarity. Please confirm your Notebook PC is Center Polarity before using, or it could result in a risk of fire, injury to persons, or damage to personal property. [. . . ] Var vänlig att bekräfta att din Notebook PC är center polaroid innan användning eller det kan resultera i risk för att eldsvåda, personskada eller skada på egendom uppkommer. [. . . ]