: A 12 volt power supply is used in a wide range of products and if you’re a hobbyist in any of them you’ll find great use for one. These products include cellular phones, CB radios, scanners, HAM radios, RC cars, auto sound systems, and more. The best thing is, a good 12 volt power supply is pretty darn cheap, going for less than $20 at the right retailer. That means you can get all the power you need without having to shell out much.

All 12 volt DC power supplies are not made equal. Like so many things, the quality varies depending on the manufacturer. Thankfully, in the age of the internet you have the option to read loads of reviews of any product and get all the information you need to make a smart decision. You should head online to a big retailer or a review site and see what they have to say before you spend your money. $20 isn’t much but if you get a dud 12 volt DC power supply you’re going to be annoyed because you’ll have to go back and buy another.

What if you want to make your own 12 volt power supply or adjust it somehow to fit your specific needs? Once again you can turn to the internet for detailed instructions on how to do so. You might want to shy away from such a project if you have no experience but say you want to build a 12 volt supply to charge your RC batteries and race cars. If you’re doing a custom job that you can’t actually purchase online or in a store then you’ll need to get creative. Thankfully you can load up a video with all the instructions you’ll ever need and if you follow along carefully and take your time you’ll have the power supply you want in no time.

There are devices that require an unregulated 12 volt power supply, like a security camera or something similar. If you need one of those then you really just have to type it into a search engine and you’ll find tons of great options. You can power up your devices with ease. Just plug it in and you’re good to go. You can find them in 500 milliamp, 250 milliamp, and others. Look on the device you’re trying to power to see how much it requires or look it up online if you can’t find it. You can call the manufacturer as well if you get desperate.

There are two types of 12 volt power supply. You can buy a 12 volt DC power supply or you can buy a 12 volt AC power supply. The choice should be dictated by whatever you’re trying to power. Again, you’ll need to consult the documentation, look it up online, or contact the manufacturing company to see what they specify. Once you have your answer you can make a purchase.

12 volt power supply kits come in a staggering variety of shapes and sizes. Some have dozens of feet of chord to ensure that you can power anything. Some have multiple plugs and splitters and everything else needed to power something up. There are thousands of choices, which can get a little overwhelming. That’s when shopping online becomes a problem. You can save money but you’re always a little lost when it comes to what you need because you’re simply not an expert. If you run into that sort of issue just bring the item you need to power into an electronics store and ask them to point you in the right direction. They will no doubt give you what you need and you’ll have a 12 volt power supply kit to make your dreams come true. It’s really that simple. Don’t ever be afraid to ask. Whatever kind of 12 volt power supply you need just ask around, hit up the web for answers, call someone, or head to a store to get professional advice. Someone will be able to help you.