Can I use 12V 500mA for 12V 1A?

Can I use a device 12V 500mA rated from a 12V 1A DC power adapter? – Quora. Yes. That’s perfectly normal. 12V 1A DC power adapter means it can output 12V DC and the maximum current it can provide is 1 Ampere.

Can I use a 12v 0.5 A adapter with a 12v 1A power rated modem?

Yes. An adapter will need to be providing the same voltage as the television.

Can I use a 12v 1A power adapter on 12v 1.5 a device?

No, a 1A power supply isn’t a replacement for a 1.5A power supply.

What does 500mA MAX mean?

As a rule of thumb, you must have the correct voltage charger and at least the amount of current rating that the device that’s being powered will draw. 5V is a fixed value. Can’t be more or less than you need. 500mA is a max value. Just needs to be greater than the current you need.

What is the meaning of 500mA?

For smaller batteries, a milliampere-hour (mAh) rating is used. For example, a 500 mAh battery means it will release 500 milliamps of current at a specific voltage for one hour before it is discharged. See ampere.

Can I use A 400mA device on a 500mA power supply?

Yes, as the others say – using a 400mA device on a 500mA power supply is OK. Even a power supply that was rated for 2000mA or 2 Amps or more would work. Using the wrong voltage is often not OK.

Can I use a power supply to power a water tower?

It should be fine since the power supply is capable of providing up to 500ma while the device only needs 400ma. The important thing is that the supply voltage is the same as the device voltage. Think of the voltage as being a faucet that controls the current. Attached to my sink is a water tower with millions of gallons of water inside.

Does your power supply’s connector need to match?

(Image: Three-quarter-ten, CC BY-SA 3.0, via Wikimedia Commons) Particularly when it comes to popular circular power connectors, make sure the expectations match. If the device expects the center connector to be positive and the outer ring to be negative, your power supply’s connector must match.

What are the requirements for a power supply to work?

The output voltage must match. The output amperage must match or be greater than that required. The polarity of the output connection must be correct. The input line voltage (wall or “mains” power) must be supported but is unrelated to compatibility with the device being charged or powered.