Voltage, current and connector size decide which charger is the right one. The range runs from 33-watt to 150-watt power supplies for Acer, Asus, Apple and others, and within a single manufacturer 19 volts turns up with several different amperage ratings. Read the values off the side of your old charger and measure the diameter of the round barrel connector, 5.5 x 2.5 millimetres for instance. Car chargers are in the range as well.
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Voltage, current and connector size decide which charger is the right one. The range runs from 33-watt to 150-watt power supplies for Acer, Asus, Apple and others, and within a single manufacturer 19 volts turns up with several different amperage ratings. Read the values off the side of your old charger and measure the diameter of the round barrel connector, 5.5 x 2.5 millimetres for instance. Car chargers are in the range as well.