Quick Answer: Can I Use Higher Amperage Charger?

Can I use a 45w charger instead of 65w?

If the voltages match, the 45W should just charge a bit slower than the 65W.

I would refrain from running anything heavy though, as it may be more load than the adapter can handle and it will drain the battery as well..

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.

Will too much amperage hurt a device?

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.

What happens if you plug DC into AC?

If we connect an AC supply to the DC devices and equipment: The positive and negative voltage will destroy (this is not always the case) some of electronic components such as transistors and electrolytic capacitors. In case of higher AC voltage, they may burn with blast and catch fire.

Can I use a power supply with higher amps?

The amperage rating on your power supply simply means that the supply can put out up to 2 amps, so as long as the voltage matches (12 volts) you could safely use a higher amp power supply for your device.

Can I use 2a charger for 1a?

The current draw (Amperes) is controlled by the device you plug in. So if you plug a 1A device into a 2A charger, it will still only draw 1A. … If you plug a 2A device into a 1A charger, you will only get 1A. The device will charge more slowly (1/2 speed roughly) but everything will be fine.

Is higher or lower amps better?

A higher voltage system is more efficient than a lower voltage since it experiences less energy loss from resistance given the same amount of power draw. … You get the same exact voltage—but with 80 amps of current. That’s 80% more energy!

Can I use a charger with higher amperage than the original?

Yes, it is absolutely safe to charge a device with a charger that has more current capacity than needed. Since the voltage is held constant (5V), the only factor that determines current draw is the load (another term for resistance) the device places on the charger.

Does amps matter on a charger?

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.

Is it better to charge a battery at 2 amps or 10 amps?

It is best to slow charge the battery. Slow charging rates vary depending on the battery’s type and capacity. However, when charging an automotive battery, 10 amps or less is considered a slow charge, while 20 amps or above is generally considered a fast charge.

Does higher amperage mean faster charging?

Standard chargers that come with iPhones and older Android phones carry 1 amp of current and put out 5 watts of power. New rapid chargers with technology such as Quick Charge support 2 amps and 12 watts or more, potentially charging your phone up to four times faster.

What is the difference between 5v 1a and 5v 2a?

While we know that 5V 2A chargers can charge a smartphone faster than a 5V 1A charger. By simple maths, 5V 2A means 10W – that means double the speed of a 5V 1A charger, right? Unfortunately, that’s not the case.

How many amps should I charge my phone with?

However, a typical USB port will charge at between 0.5 to 1.5 amps. If your phone can handle anything above 1.5 amps, then a USB port will charge it more slowly than the charger that came with your device.

Is an AC adapter the same thing as a Charger?

Although they seem to serve the same purpose, an adapter and a charger are two different electronic accessories that can sometimes work together. An adapter is something that is used to charge a charger, while a charger is used to charge an electronic item such as a phone or a laptop.

What happens if we charge phone with higher amperage charger?

Yes, a phone charger with higher amps will charge your mobile phone much quicker, but only if your mobile supports fast-charge technology or has a compatible fast-charge circuit. If this hardware is not present in your mobile phone then it will get charged at the normal pace.

What happens if the amps are too high?

When output current needs to be higher, it will stop acting as an ideal voltage source and will start showing imperfections such as voltage drop, overheating, current limit and so on. … So, given a fixed voltage and the fixed resistance you can calculate amperage.

Can I use a charger with lower amperage?

Amperage is the power pulled by your device while being charged and used. … If you get a charger with amperage less than your original power supply, you risk overheating your charger, burning it and in many case your device will stop functioning and/or charging.

Can I charge a 19v laptop with a 12v charger?

The device you plug into a car to power a typical wall outlet is called an inverter. It converts the 12V DC car electricity into 120V AC electricity. You can then used your regular wall outlet charger to change that 120V AC electricity to 19V DC electricity to charge the laptop.