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Labs Power Supply Comparison - July 2025
| 1 Best Choice  9.7Exceptional | 2  9.5Excellent | 3 Best Value  9.4Excellent | 4  9.3Excellent | 5  9.2Excellent | 6  9.1Excellent |
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ModelDC Power Supply Variable, 30V 10A Adjustable Switching Regulated DC Bench Power Supply with Intelligent Charging Mode, 18W USB Interface, Precision Encoder Knob (Black) | Model 13.8V 30A DC Power Supply,Analog Bench Regulated Home Lab Benchtop AC to DC Converter for HAM Radio Amateur,CB, with Car Cigarette Lighter Socket,Cooling Fan,SKY TOPPOWER STP1330 | Model Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010 | Model Jesverty DC Power Supply Variable, 0-32V 0-10A Switching Bench Power Supply with 20W USB & Type-C Quick-Charge, Encoder Corase & Fine Adjustment Knob, Output Switch, 4-Digit LED Display - SPS-3010V | Model DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supplies with USB Quick-Charge, Short Circuit Alam (30V 10A Black) | Model NICE-POWER DC Power Supply Variable 30V 10A, Adjustable Switching Regulated DC Bench Power Supply with Output Switch High Precision 4-Digit LED Display, Benchtop Lab Power Supplies with 5V/2A USB Port |
BrandKungber | Brand SKY TOPPOWER | Brand Jesverty | Brand Jesverty | Brand NANKADF | Brand NICE-POWER |
Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews |
Tech Specs | |||||
product dimensions8.67 x 3.35 x 5.9 inches 2.87 Pounds | product dimensions 5.91 x 8.66 x 2.76 inches 2.2 Pounds | product dimensions 7.09 x 3.35 x 6.1 inches | product dimensions - | product dimensions 7.87 x 0.35 x 0.57 inches | product dimensions 3.3 x 8.4 x 5.5 inches 2.64 Pounds |
customer reviews- | customer reviews - | customer reviews 4.6 4.6 out of 5 stars 1, 533 ratings 4.6 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 712 ratings 4.5 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 523 ratings 4.4 out of 5 stars | customer reviews - |
Available On  | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1KungberDC Power Supply Variable, 30V 10A Adjustable Switching Regulated DC Bench Power Supply with Intelligent Charging Mode, 18W USB Interface, Precision Encoder Knob (Black)
Why we love it
High precision voltage and current readings.
Compact and lightweight for easy portability.
Affordable entry-level option for hobbyists.
Main highlights- What You Get - 1 x Kungber Variable DC Power Supply, 1 set of Output Power Cords , 1x Input Power Cord, 1 x User Manual, and Technical Support from Kungber.
- Reliable and Safety: many safety measures are adopt in Kungber lab DC power supply - Grounding wire, Leakage protection,Thermal protection, Voltage overload protection, Power overload protection and Short-circuit protection. Kungber power supply use premium electronic components, provide reliable working status and prolong the life of product effectively. When the working temperature is more than 122℉/50℃,the intelligent thermal protection will active the cooling fan to lower the temperature
- Overcurrent Detection Alarm: Easily activated with the 'OCP' button. Detects short circuits and overcurrents, triggering an alarm and stopping output to protect connected devices.
- Intelligent Charging and Safety Detection: Our DC power supply features intelligent charging mode. The real-time display of charging power (Ah) keeps you informed of the battery status. Worried about overcharging? Rest easy knowing our power supply stops charging when your battery is full. With built-in detection of incorrect connections, ensuring safe and reliable charging.
- Compact and Various Application: This DC power supply is less than 2.3 lb and measures only 7.59 x 3.35 x 6.1 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 18W USB port Quickly charge your devices with high-speed 18W output for efficient charging, no worry about running out of power.
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9.5
2SKY TOPPOWER
13.8V 30A DC Power Supply,Analog Bench Regulated Home Lab Benchtop AC to DC Converter for HAM Radio Amateur,CB, with Car Cigarette Lighter Socket,Cooling Fan,SKY TOPPOWER STP1330
Why we love it
Clean and stable power output for various devices.
Built-in noise offset and cigarette lighter socket.
Comprehensive safety features including short-circuit protection.
Main highlights- Safety Protection : SKY TOPPOWER 30 amp power supply has short-circuit protection, over-current protection to ensure the safety of the operator and any connected electrical devices, plus a user replaceable fuse (8A),built-in cooling fan to prevent the device from overheating
- Packaging and Services : 1 x 13.8 Volt 30 Amp dc power supply , 1 x AC power cord , 1 x Instruction manual,7/24 customer service provided; Please contact SKY TOPPOWER Team for any other questions
- Noise Off-Set Design and Cigarette Lighter Socket : There is a Noise Off-Set control that can be adjusted to eliminate pulse noise from the bench power supply 30 amp. 13.8volt power supply designed with cigarette lighter socket adapter to supply power toportable device
- NOTE: It is recommended that the interval between the power supply and the equipment is more than 1 metre, which can effectively improve the anti-interference ability and noise reduction ability
- Converts Ac To Dc : The SKY TOPPOWER 13.8v dc power supply 30a AC-to-DC Power Converter, DC 13.8Volts fixed ouput, providing up to 30amp maximum current.Suitable for cellular phones, CB radio,scanner, Ham radio, GMRS and LMR Two way radios, and all 13.8V equipment and so on
- Accurate,Compact,Lightweigh Design : Solid and well built, weight about 1.5kgs, with robust metal casing , rubber feet stand. Accurate Readout,and quick response,one-key switching of voltage and current display
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9.4
3Jesverty16% Off
Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-3010
Why we love it
Accurate voltage and current readings.
Compact and lightweight design.
Quiet cooling fan operation.
Main highlights- Note: The test leads that come with the unit are merely a give-away, we recommend that you prepare test leads with sufficient current capacity if your project needs long-term use of high current.
- Note: The V and A settings you set are the crossover point at which the mode switches.
- Note: Power cords and the AC input settings vary depending on the destination for the product at the factory-shipment.
- 5️⃣【Items you get & Customer service】: 1 x SPS Unit, 1 x Power Cord*, 1 set of test leads*, 1 x instruction manual (contact information included). We provide professional technical support. Should you have any problems or questions about your order, please feel free to contact the Jesverty Customer Service via Amazon or email.
- 4️⃣【Reliability and Safety】: The Jesverty SPS series is built with high-quality materials and reliable circuit designs that include multiple protection functions, such as short-circuit protection, over-load protection, grounding terminal, temperature-regulated fan, etc. to ensure performance and extend the lifespan.
- 3️⃣【Compact Body & Lightweight】: The Jesverty SPS series measured only 7.1(D)x3.35(W)x6.1(H)inches and weight of approx. 2.5lbs. It saves space on your workbench and can be moved around without any frustration.
- 2️⃣【Auto C.V. and C.C. Mode】: The Jesverty SPS series can be used as a constant-voltage*(C.V.) power supply and constant-current*(C.C.) power supply even when the load is changed. It switches automatically between CV mode and CC mode according to the changes in the load.
- 1️⃣【4-Digit Display & Power Calculation】: The Jesverty SPS series features a big bright 4-digit LED display that shows measured values of V／A／W that the unit outputs in real-time. The display resolution is up to 0.01V, 0.001A, and 0.1W.
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Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
