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At the Targus Website, it does not tell you, however I downloaded the User Manual. Right there it states: Output: 19.5 VDC, 4.62A, 90 W max Almost all Laptops / Notebooks since 2005 require about 19 to 20 Volts. This is pretty much a standard Voltage. The key difference is in how much CURRENT the charging system will DRAW from the Charger. WATTS (a measurement of ability to do work) = Volts x Amperes 65 W / 19.5 Volts = 3.33 So it will be provide UPTO 3.4Amps a 90W Laptop requires 19.5 Volts x >= 4.62Amps Voltage is a PUSH - that is why if you plug a 110V item into a 220V outlet it burns out Amperes is a PULL, you can plug a 19.5V 3.5 Amp device into a 19.5V 10Amp supply with no problem. BTW, you can usually go up or down at least 10% - you can charge / run on 17 - 22 Volts. SO, YOU CAN GET A CHARGER WITH HIGHER AMPERAGE THAN REQUIRED - IT MAY CHARGE FASTER, IT MAY NOT, DEPENDS UPON WHETHER THE DEIVCE'S STATED WATTS IS A REQUIRED MINIMUM OR A MAXIMUM. IT WILL NOT DAMAGE IT. I Had an HP Notebook which charged much faster with this than the supplied 65W charger
Sorry, there was a problem. Please try again later.The Power Supply will adjust to what your laptop requires and not over heat it, High is 90 watt low is 45 watt.
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