... current,short circuit protection 4.Warranty:2years General specification of laptop adapter: Input Voltage100~240VAC,50/60hzOutput Voltage19vMax output current4. ... power supply, lcd power supply, video game player or laptop power supply or small power electrical equipment power supply, etcOur ... after-sale service: 2 years warranty.Detailed pictures of laptop adapter: universal laptop adapter 19v 4.74a