Top 10 Best Dc Power Supplies Reviews in 2018

Electricity has revolutionized our world completely. Since the discovery of the first charge, everything has been being changed and advanced rapidly. DC power sources are very commonly used in different applications. This DC power source usually have a rectifier which rectifies either the AC or the DC voltage and offer you a DC power supply which is uninterrupted and reliable. These DC power supplies also let you control your output settings and get the value you need for any of your purposes. These little monsters are commonly used in different educational institutes where students perform different science experiments with them.

Applications of these DC power supplies are wide and you will see them being used in many settings. Although these DC power supplies are readily available in the market but not all of them are as reliable as you would want. Some of them only last a short time and others are simply not good enough. To make this all very easy for you, we are going to bring you to the top 10 best DC power supplies reviews, introducing you to the very best available in the market. These are the ones you can really trust with your money.

Table of Contents

Who needs to buy dc power supplies?

These DC power supplies are used in a number of applications. The most common ones have to be in different testing and experimenting settings in your educational institutes and laboratories. They are also used in many other industries such as in welding. To make it short, any place where you need a reliable DC power supply source which you can control will need to have a DC power supply.

Comparison Table:

 

Tekpower TP3005T Variable Linear DC Power Supply, 0-30V @ 0-5A with Alligator Test Leads (110V Input)

Tekpower TP3005T Variable Linear DC Power Supply, 0-30V @ 0-5A with Alligator Test Leads (110V Input)

 

There was no way we could have left this out of our top 10 best DC power supplies reviews. This one seems to have everything what you might be looking for and it is being popularly used in different educational institutes and labs for different testing and experimentation. The overall design is very smart looking and we are sure you would not want to change a thing in it. There are easy to use current and voltage knobs and a LCD display to make it all very convenient for you. It also comes with alligator test leads. The price tag seems to be fair as well and you would surely have a great value for your money.  This linear power supply is quiet, stable, durable and heavy-duty with little noise, ripple, delay, and EMI, the switching type is just the opposite. This digital DC power supply has maximum output voltage of up to 30 volts and current up to 5 amps.

Pros:

  • High precision DC regulated power supply
  • 0-30 volts and 0-5 amp outputs
  • constant voltage and constant current modes
  • built-in thermo-sensor
  • LED Display with a 0.1V and 0.01A resolution
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Cons:

  • Minor history remembering issues
  • Smells a bit coming out of the box
  • The plugs could have been made better

 

DC Power Supply Variable, Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, 0-30 V 0-5 A with Alligator Leads US Power Cord

DC Power Supply Variable, Eventek KPS305D Adjustable Switching Regulated Power Supply Digital, 0-30 V 0-5 A with Alligator Leads US Power Cord

 

One of the most affordable DC power supplies that you will come across in the market. This is a very smart looking DC power supply which is loaded with a lot of features and you are in for a treat. A very attractive Back-lit LED display is given which makes it all very convenient for you. You can adjust the voltage and current settings from 0-30 volts and 0-5 amp respectively. Constant voltage and current operation modes are given. The overall design looks very practical and solid in terms of durability. You will also have Intelligent temperature control with built-in thermo-sensor and effective noise reduction makes sure values are kept very stable.

Pros:

  • DC Power Supply Adjustable
  • Could be used for electro etching
  • Constant voltage and current operation mode
  • Intelligent temperature control
  • limit current protection, thermal protection
  • voltage overload protection, short-circuit protection

Cons:

  • Does not remember latest history values
  • Package delivery issues for some customers

 

Pyramid Bench Power Supply | AC-to-DC Power Converter | 5.0 Amp Power Supply with Car/Vehicle Power Outlet (PS9KX)

Sound Around Pyramid Bench Power Supply | AC-to-DC Power Converter | 5.0 Amp Power Supply with Car/Vehicle Power Outlet (PS9KX)

 

If you are looking for something cheap just to curb your hobby enthusiasm, this is the one you should be looking for. It has been rated as good as perfect by the customers and considering the price, this is a deal you should not say no to. It offers 5.0 Amp (Constant), 7.0 Amp (Surge) – 12V DC Linear / Regulated Power Supply Design. It converts AC to DC and you will have a very stable output. The operation is as easy as plug-n-play. Screw Terminal Connectors are completely hassle-free. AC-to-DC Power Conversion is Safe for Work Station and Tabletop Placement. Built-in cooling fan is given which will make sure your power supply never gets heated up.

Pros:

  • Perfect replacement of Battery or External Power Source
  • Built-in Electronic Overload, Short Circuit & Overload Protection
  • Rugged & Durable Cabinet Heatsink & Housing
  • Provides Constant Source of DC Voltage

Cons:

  • Does not offer a lot of features
  • Does not offer a wide range of output settings

 

UCTRONICS Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply Constant Voltage Current Buck Power Converter Power Supply Adjustable Module

UCTRONICS Numerical Control DC 6-55V to 0-50V 5A Step Down Stabilized Power Supply Constant Voltage Current Buck Power Converter Power Supply Adjustable Module

 

This one seems to be kind of bulky and old fashioned but this beast has been selling huge numbers. The reason is simple, it does what it says and comes for a very affordable price. It is one of the highly rated dc power supplies you will come across in the market. This DC 6-55V to 0-50V 5A step down stabilized power supply combine numerical control with analog integration. This step down voltage regulator can store M0-M9 10 groups preset value when power-down. Keep pressing M1 or M2 more than 2s, the corresponding data group will be extracted and displayed on the right of the screen.

Pros:

  • Variable settings
  • Colorful LCD monitor
  • Easy to use

Cons:

  • Menu is not very convenient
  • Minor panel mounted compatibility issues
  • Adjustment knob is a little too big

 

KORAD KA3005D – Precision Variable Adjustable 30V, 5A DC Linear Power Supply Digital Regulated Lab Grade

KORAD KA3005D - Precision Variable Adjustable 30V, 5A DC Linear Power Supply Digital Regulated Lab Grade

 

It might seem to cost a little more but it is easily one of the most reliable dc power supplies that you can get your hands on. It also gives you a lot to play with and you would surely have a great experience. It has an easy to read 4 digit LED is used to display the voltage and current values and 4 programmable storage setting. Considering what is offers, the price is hard to beat.

Pros:

  • Dual 4 Digit LED Displays
  • 4 sets of parameters
  • Circuit protection

Cons:

  • Memory settings work a but oddly
  • Minor issues with master on/off switch

 

DC Bench Power Supply Variable, Pevono PS305H 0-30V/0-5A 4 Digital LCD Display High Voltage&Current Adjustable Switching Regulated Power Supply with US Power Cord For Lab Equipment,Research and DIYer

DC Bench Power Supply Variable, Pevono PS305H 0-30V/0-5A 4 Digital LCD Display High Voltage&Current Adjustable Switching Regulated Power Supply with US Power Cord For Lab Equipment,Research and DIYer

 

Exquisite LCD display and flawless performance is what bets describes this baby. For all your tests and experiments in the lab, this one seems to be your ultimate choice. The price seems fair and the overall built is just as good as you would like. It is one of the most long-lasting dc power supplies that you will find in the market.

Pros:

  • Regulated and adjustable
  • Highly safe to use
  • Four operational modes
  • Backed with warranty

Cons:

  • A bit louder
  • Hangs a bit at times

 

DC Power Supply Variable, Eventek 0-32V 0-10.2A Power Supply Adjustable Regulated Power Supply Digital with Alligator Leads US Power Cord

DC Power Supply Variable, Eventek 0-32V 0-10.2A Power Supply Adjustable Regulated Power Supply Digital with Alligator Leads US Power Cord

 

We don’t think you can find a better looking dc power supply than this beauty. It is surely going to make you and your place look better. However, looks are not what really matters and this little beast works just as good as it looks. There is no way you might end up being disappointed with it. It is ideally designed for scientific research, product development, laboratories, schools and electronic production lines.

Pros:

  • Adjustable outputs
  • Accurate and reliable
  • Intelligent temperature control

Cons:

  • Cables are not very long
  • No banana plugs
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TekPower TP1830SB DC Adjustable DC Power Supply 1.5-15V 30A with Digital Display, Linear Output, Lab Grade High stable and low ripple voltage Reglator

TekPower TP1830SB DC Adjustable DC Power Supply 1.5-15V 30A with Digital Display, Linear Output, Lab Grade High stable and low ripple voltage Reglator

 

This black beauty will give you all the reasons to go for it. It is one of the bestselling dc power supplies in the market. The overall design is very solid and just by looking at it, you can tell it will serve you for a very long time. The price might seem a bit high at first but considering what it brings to the table, this guy is worth every penny.

Pros:

  • Adjustable outputs
  • Cigarettes lighter plug
  • Fused Protection
  • Backed with warranty

Cons:

  • A bit sketchy assembly
  • Pretty bulky looking
  • A bit noisy

 

SUNCOO DC 10A /30V Power Supply Precision Variable Digital Adjustable Dual LED Display US Standard w/Cable

SUNCOO DC Power Supply 10A /30V Precision Variable Digital Adjustable Bench Dual LED Display US Standard w/Cable

 

If you are not going to like this dc power supply, you are not going to like any! This is simply the very best in business and it has been selling like hot cakes. There is not a thing it lacks. It gives its competitors a run for their money! Amazing performance and very affordable price! It has high precision, high efficiency, light, energy efficiency and environmental protection characteristics. A true steal deal!

Pros:

  • Benchtop power supply
  • Dual adjustable outputs
  • Overheat protection

Cons:

  • A rather new product in the market
  • Might have minor menu faults

 

Flexzion DC Compact Power Supply 15V 1A – Adjustable Variable Regulated Digital Precision Equipment with LED Display Multimeter Test Hook Probe Clip Cable AC Lab Grade for Cell Phones Electronics

Flexzion DC Compact Power Supply 15V 1A - Adjustable Variable Regulated Digital Precision Equipment with LED Display Multimeter Test Hook Probe Clip Cable AC Lab Grade for Cell Phones Electronics

 

A very low budget range dc power supply which will lure you into buying it. There is nothing impressive about the design, it looks like a bit odd box but talking about the performance, it works like butter and you will not have any issues using it. Comes with high reliability, low noise and circuit overload protection, it’s an excellent useful tool for cell phone and various communication equipment maintenance. As a single output precision DC power unit, DC power supply offers output voltage and current that are continuously adjustable within the rated range.

Pros:

  • Compact design
  • All metal construction
  • LED display
  • High stabilized output voltage
  • Short circuit protection

Cons:

  • Gets a little hot
  • A bit inconsistent

 

Care and maintenance of dc power supplies

These DC power supplies no matter where they are being used, they do require some good care and maintenance. First of all, they must always be kept in a supervision of an expert. Talking about the educational settings where these DC power supplies are used by the students for their different science projects, teachers or laboratory attendants must supervise them. There are some very few things that you need to know such as not to ever drop these dc power supplies. They are usually a bit heavier in weight and must be handled with care.

Some of these power supplies have LCD screens displays which can easily get damaged with pointy objects or with a magnetic field.  The accessories used with these power supplies such as wires must not be broken or damaged otherwise you might be in for a little shock, literally! These DC power supplies especially with high outputs require even more care. These DC power supplies must also be kept clear of the moisture as that can damage your device as well.

Top 10 Best Dc Power Supplies Reviews

Shopping guide for dc power supplies

There are many kinds of DC power supplies available in the market from different manufacturers. They differ in terms of specifications and functions. First of all, you need to know why exactly do you need a power supply in the first place and then you will be able to customize your search for the best option. We went through the market and brought to you the top 10 best DC power supplies reviews. These are the ones rated the best by the customers and you will surely have a good experience working with them.

High quality built: These DC power supplies are pretty complex from the inside and they make use of a lot of small electrical components. The quality of all these components define the overall quality of your DC power supply. They are what make your power supply reliable and trust worthy. Everything that you have on your power supply should be high quality.

Easy to use features: first of all, your DC power supply should offer a range of features and secondly they should be easy to use. These DC power supplies are now coming with LCD displays and different light indicators which gives you more room to play with bring you a whole lot of convenience.

Value for money: these DC power supplies are very commonly used in different educational institutes, laboratories and in many other applications. They are now being produced by many manufacturers and their prices have gone down a bit. Make sure you search well for your power supply and you will easily be able to get the best value for your money.

Range of output settings: the range of voltage and current output settings is a huge plus no matter in which application you are using these power supplies. Especially when it comes to testing and experimenting, your power supply must offer a good range of your output settings to play with.