Amperage. Your computer will use more power, in the form of higher amperage draw, when it's working hard than when it's not. (Voltage remains the same regardless.) Thus, as long as you replace your power supply with one capable of providing as much or more amps than the previous supply, you'll be fine..
Consequently, what happens if amperage is too high?
Voltage: When trying to match a supply to a device, you need to get the voltage right if the supply voltage is too high, then it will damage your device. If the supply voltage is too low, then your device just won't work. If the voltage is too high for the device. If the amps are too low for the device.
Subsequently, question is, is higher or lower amps better? Higher voltage is better when current has to travel long distances. A low amp and high voltage system allows you to reduce the amount of electrical current, so less of it is lost as it travels through wires, while still delivering the same amount of horsepower at the end.
In this regard, is it OK to use a higher amp charger?
This isn't as simple as just "charge your device with the charger it shipped with." You can actually use higher amperage chargers, like the kind that come with tablets, to get your phone charged up in less time than it would if you charged via USB or using the charger the phone came with, and it won't cause a problem.
Can I use 2 amp charger instead of 1 amp?
Don't worry about any problems using a 2-amp charger with a device designed to be used with a 1-amp charger. In some cases, it may speed up charging of the smaller device. In other cases, the smaller device will limit its power-sipping to 1 amp.
Related Question Answers
Does higher amperage mean more power?
The amperage rating is the maximum amount of power it can supply. That device will only draw as much amperage as it needs to perform whatever it's doing. Your computer will use more power, in the form of higher amperage draw, when it's working hard than when it's not. (Voltage remains the same regardless.)Does the amperage matter?
Current is supplied by a power supply or charger. It will try and take as much current as it needs. So if a product requires 2.1Amps then the power supply should be able to supply 2.1Amps or more. If the power supply can supply more than 2.1Amps this doesn't matter as the product will only take 2.1Amps.What is meant by 1 ampere?
An ampere is a unit of measure of the rate of electron flow or current in an electrical conductor. One ampere of current represents one coulomb of electrical charge (6.24 x 1018 charge carriers) moving past a specific point in one second. The ampere is named after Andre Marie Ampere, French physicist (1775-1836).Do amps matter on laptop chargers?
Input, output, doesn't really matter as long as you are comparing same side thing on both chargers. Since you need charger of certain voltage for the laptop to work, your output voltage is set. If you use charger with less than specified Current rating (Amps) you end up with less than specified power to laptop.How do I reduce amps?
Lowering amperage is done by applying Ohm's law, given by the formula I = V/R, where I is the circuit's total current in amperes, V is the voltage and R is the resistance. Add resistors to the circuit to increase the total resistance. A higher resistance results in a lower amperage.How many amps does a TV use?
LCD televisions vary widely, using 0.16 to 0.41 watts per square inch, so a 46-inch LCD television could use as little as 1.208 amps or as much as 3.1 amps.What is the highest amp USB charger?
Anker's 36W 4-Port USB Wall Charger is the best multiport USB charger for most people. It's the most powerful charger that plugs directly into a wall outlet, letting you fast-charge up to three full-size iPads at once or four at a slower rate. (Alternatively, you can fast-charge two iPads and two smartphones.)What does 5v 2a mean?
DC 5V/2A, means that the input voltage, to recharge the battery is 5 volts of direct current. 2A is the amount of amperage that is suggested to recharge the battery.What does fast charging mean?
Fast charging is an increasingly popular feature that allows you to power up your phone in just a fraction of the time it takes to do it the old-fashioned way. But not all phones use the same type of fast charging—and not all chargers support the various standards.Can I use a 90 watt charger on a 65 watt laptop?
Yes, you can use a 90 watt ac adapter, a.k.a power charger, for your 65 watt-compatible laptop. It will actually charge your battery faster. But, and this is a big but, you cannot use a 19 Volt ac adapter on an 18.5 Volt-laptop.What makes a phone charger a fast charger?
In a nutshell, fast charging increases the current sent to the battery to fill up its capacity quicker. The basic USB specification only sends 0.5 amps (A) of current using 5 volts (V) for just 2.5 watts (W). Fast charging technologies boost these figures.Is it OK to use higher voltage adapter?
2 Answers. Higher current (A) is okay because the device won't use as much, but higher voltage (V) is going to “fry” it. Conversely, lower voltage is unlikely to cause damage since the device simply won't have enough power, but lower current can cause trouble because the power supply cannot provide enough.How strong is 10 amps?
While any amount of current over 10 milliamps (0.01 amp) is capable of producing painful to severe shock, currents between 100 and 200 mA (0.1 to 0.2 amp) are lethal.What does 12 amps mean?
Amps are the amount of electric current flowing through the vacuum. Watts are amps multiplied by the power voltage drawn. Most upright cleaners are seven to 12 amps. Many canister models are 12 amps. The maximum allowable amps that can be plugged into a household outlet is 12 amps.How many amps is a good drill?
Most home users will be happy with a drill in the 12-16 volt range. As a warning, the higher the voltage of the drill, the heavier it will be. Corded drill power is measured in amps, with power increasing as the amperage rises. An 8-amp corded drill is great for home use.What is more powerful amp or voltage?
The real world result of the combination can be simplified to say that higher voltage means more overall power and higher amp hours results in more overall run time.Does higher voltage mean higher amps?
Higher voltage means higher amperage, and thus higher voltage has more potential to kill. It takes only 100mA to stop your heart.What causes amps to increase?
The increased amperage can be caused by a pump that is too large for the application. A large pump was specified in anticipation of future needs. The pump was sized for the maximum operating condition, but does not run anywhere near that point most of the time.Can I use a 19v charger on a 19.5 V laptop?
Voltage: 19.5V and 19V is a relatively small voltage difference. It is most probably safe to use as long as: The current of the charger is the same or higher than that of the laptop. Laptops usually don't draw the full power from the charger even when in use and being charged at the same time. 
