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The Best Lab Power Supplies

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Discover now our comparison of the best Lab Power Supplies. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Lab Power Supplies are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Lab Power Supplies in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
DC Power Supply Variable, Adjustable Switching Regulated Power Supply (30V 10A) with Encoder Coarse & Fine Adjustments Knob, Bench Power Supply with USB & Type-C Quick-Charge Interface
  • Precise Encoder Knobs: Unlike other DC power supplies, the WANPTEK DPS3010U DC power supply uses a precise encoder adjustment. Press the knob to switch the number of digits and turn the knob to set the number. Let the direct setting value replace the adjustment value.
  • USB & Type-C Interface: The variable power supply has built-in fast charging protocol identification chip that supports USB & Type-C fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired.
  • Short Circuit Alarm: In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload.
  • Wide Applications: The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair DIY, communication equipment maintenance, products line, scientific research and teaching units.
  • Packaging and After-Sales: 1 x variable dc power supply, 1 x output power cord, 1 x input power cord, 1 x user manual, We provide lifetime technical support. If you are not satisfied with the product you received, please feel free to contact us.
No. 2
DC Power Supply Variable,0-30 V / 0-10 A LW-K3010D Adjustable Switching Regulated Power Supply Digital,with Alligator Leads US Power Cord Used for Spectrophotometer and lab Equipment Repair
  • ◆【High Precision, Wide Range】LONGWEI DC power supply is a professional power supply regulation device that designed with crystal clear, backlit 3-digit LED display of voltage, current, and power. Precise accuracy: 00.1V and 0.01A. You can easily tune it within 0-30V and 0-10A. Very durable and easy to observe even in low light conditions.
  • ◆【High Quality with Essential Safety】Safety is our priority. Grounding wire, The power supply takes the function of limited flow protection, overpower protection, over temperature protection, voltage overload protection. greatly improving its working efficiency and lifespan!
  • ◆【Excellent Heat Dissipation】Equipped with a big fan controlled by intelligent temperature control sensor and multiple heat radiation grooves on both sides, Intelligent fan offers excellent heat dissipation effect, which reduces the noise and prolongs the life of product effectively.
  • ◆【Various Application】This one weighs less than 2kgs and measures only 2.7*8.6*6.3inches, Applies for laboratory, school, home, electronic repair DIY, aging test and other requirements thanks to complete test probes and output cable with alligator clips.
  • ◆【What You Get】1 x K3010D DC power supply, 1 x output power cord, 1 x Input power cord, 1 x test probes, 1 x User manual. (Buy Now Risk-Free with 30 days Free Of Return,we provide 12-Month after sale service, lifetime technical support. Please feel free to contact us if you have any concerns,we will reply to you to solve your problem in 24H.)
SaleNo. 3
Kungber DC Power Supply Variable, 30V 10A Adjustable Switching Regulated DC Bench Power Supply with High Precision 4-Digits LED Display, 5V/2A USB Interface, Coarse and Fine Adjustments (Black)
  • High Precision 4-Digits LED Display: Kungber 30V 10A lab DC benchtop power supply is a professional laboratory power supply regulation device that has a high resolution of 0.01V and 0.01A. You can easily tune it within 0-30V and 0-10A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions.
  • Constant Voltage (C.V.) & Current (C.C.) Mode Automatic Conversion: Easy to dial in the desired voltage and current with the coarse and fine adjustment knob. The constant voltage/current mode can automatically switch with load changes. The conversion of constant voltage and constant current is indicated by the LED display on the front panel.
  • Compact and Various Application: This DC power supply is less than 3 lb and measures only 9.5 x 3.4 x 6.1 inches, applies for laboratory, school, repair, electrolyzation, electroplate, brush plating, lamp test, aging testing, battery charge, home DIY and other requirements. 5V/2A USB port could charge your cellphone and provide power for the device which you want to repair, no worry about running out of power.
  • 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
  • What You Get - 1 x Kungber SPS3010 Variable DC Power Supply, 1 set of Output Power Cords , 1x Input Power Cord, 1 x User Manual, and Technical Support from Kungber.
No. 4
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
  • 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.
  • 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.
  • 🌟Note: The V and A settings you set are the crossover point at which the mode switches.
  • 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.
  • 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.
  • 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.
  • 🌟Note: Power cords and the AC input settings vary depending on the destination for the product at the factory-shipment.
  • 🌟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.
No. 5
Jesverty DC Power Supply Variable, 0-30V 0-10A Adjustable Switching DC Regulated Bench Power Supply with Encoder Knob, Output On/Off Switch, 4-Digit LED Display, 5V/2A USB Charging Port - SPS-3010H
  • 1️⃣【High Precision Encoder Knob】: Jesverty's NEW SPS-H series power supply upgrades from traditional potentialmeter corase & fine adjustment to encoder knobs to make it more convenient to set your desired voltage and current! ! By turning only one knob, you can set the desired value digit by digit (setting resolution 0.01V/0.001A).
  • 2️⃣【Output ON/OFF Button】: With a single press of the added output button, you can easily switch the output ON/OFF. When you want to adjust settings, you don't have to remove the load or turn off the power each time! !
  • 3️⃣【4-Digit Display & Power Calculation】: The Jesverty SPS-H 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. You can also adjust the brightness of the screen by turning the voltage and current knobs at the same time, making it easier to see even in dark places.
  • 4️⃣【Functions & Protection】: A 5V/2A USB charging port, OCP over-current protection (settable), OVP over-voltage protection (fixed), temperature-regulated cooling fan, OPN* output status setting, Screen brightness adjustment etc. A handful of convenient functions are loaded within this tiny unit! !
  • 5️⃣【Compact & Lightweight】: The Jesverty SPS-H series is made even more compact, measuring only 7.1(D)x3.35(W)x6.1(H)inches and weighing approx. 2.5lbs, which can greatly save valuable space on your workbench. Perfect for applications such as laboratories, educational sites, factory manufacturing tests, maintenance repairs, battery charging, anodizing, electronic work DIY, etc.
  • 6️⃣【Items you get & Customer service】: 1 x SPS-H 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.
  • 🌟Note: OPN is a function that lets the unit output voltage and current as soon as you turn the power switch on without needing to push the "OUTPUT" button.
  • 🌟Note: Power cords and the AC input settings vary depending on the destination for the product at the factory-shipment.
  • 🌟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.
SaleNo. 6
DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button, Adjustable Power Supply with USB Quick-Charge, Short Circuit Alam (30V 10A Black)
  • 【High-precision Encoder Knob】Different from general knobs, this DC power supply has a precise encoder knob. You can press the knob to switch each digit, and then turn the knob to customize each digit in the range of 0-9. Set the voltage or current you want more accurately. Make your work more flexible and efficient.
  • 【Output Enable/Disable Button】In the process of using the bench power supply, Output button can prevent us from forgetting to turn off the output and causing damage to the load. Just press this button to turn on or turn off the output of the power supply. This makes it more convenient for you to use the variable power supply.
  • 【Overcurrent Protection】When the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage.
  • 【Precise 4-digit LED Display】The dc power supply is equipped with a high-definition 4-digit display with data accurate to 0.01V and 0.001A. It has constant voltage (C.V.) and constant current (C.C.) modes, which can be switched automatically. You can see the working status indicator on the display. Additionally, you can adjust the brightness of the screen according to your needs.
  • 【USB Fast Charging Port】The variable power supply is configured with an 18W fast charging port. No more mplaining about mobile phones or repaired devices not being charged in time. The NANKADF dc power supply allows you to avoid this dilemma. It charges your devices quickly anytime, anywhere.
  • 【Compact and Lightweight】The measures of the variable dc power supply is only 7.51*3.56*5.81inch and the weight is only 2.47 pounds, which saves more space on your workbench and is convenient for you to carry when you need it. NANKADF dc power supply is the best choice for beginners or professional electricians. If you have any questions about the power supply you received, please do not hesitate to contact us.
SaleNo. 7
NICE-POWER DC Power Supply Variable, 30V 5A Adjustable Switching Regulated Power Supply with Encoder, Upgraded 3-Digits LED Display, Mini Regulated DC Bench Power Supply
  • 【Upgraded High-precision encoder knob】Just "set" Voltage and Current instead of "adjust". You can press the Voltage and Current encoder knob to select the Digit you want to adjust, then rotate the knob to set the value from 0-9. Each Digit can be set easily by the accurate encoder knob. The encoder switch replaces the potentiometer switch, making your work easier, more accurate and efficient.
  • 【Precise 3-digit LED Display】The NICE-POWER DC bench power supply has a resolution of 0.1V and 0.01A, and you can easily adjust it in the range of 0-30V and 0-5A. The 3-digit back-lit LED display provides more accurate and clearly visible readings for the voltage and current value, even in conditions of low voltage.
  • 【Small and Diverse Applications】Worried about the bulky power supply? This compact and sophisticated DC power supply weighs much less than a laptop at just 1.54 pounds, saving more space on your workbench. And you can use it in various scenarios such as laboratory, repair, electrolysis, burn-in test, electroplating, brush plating, electronic DIY, etc.
  • 【Safe and Reliable to Use】Safety is our priority. The DC power supply is FCC/CE certified. The built-in fan low arc noise & low ripple,The power supply is durable and compact. Productive work since the power supply comes multiple protection of Over-voltage, over-current, over-power, over-temperature, short-circuit powerful protection function.
  • 【Packaging and After-Sales】 1 x DC Power Supply, 1 x Power Cord, 1x Output Load Cord, 1 x User Manual, 1xWarranty Card. The variable dc power supply size is 6.5*4.0*3.2 inch, Weight is 1.54lb. You can easily take the DC power supply to work. We provide a 12-month warranty policy. If you have any technical questions about our power supply, please do not hesitate to contact us.
No. 8
HYELEC DC Power Supply,50V 6A 150W Switching Regulated Bench Power Supply with Memory, 4-Digit LED Display, 110V Input Voltage, 5V2A USB Interface, Coarse and Fine Adjustments
  • 【High Precision】HYELEC DC benchtop power supply is high precision, compact power supply which with precise encoder adjustment knob,using code type potentiometer, users can use the same adjustment knob for coarse and fine adjustment switch, display precision 0.01V and 0.001A, it has applied high precision 4-digit LED display, the value of number on the display is steady and do not jump word.
  • 【3 group memory function & 5V 2A USB interface】 The variable bench power supply has three sets of storage functions M1/M2/M3. you can use the three storage buttons M1/M2/M3 to save and recall the data. the variable power supply has configured with 5V2A USB interface for powering terminal devices such as mobile phones and pads.
  • 【Multi-protection & Output Button】Equipped with surge protection output switch, it can prevent damage the equipment when you forget to disconnect the output ; The adjustable power supply includes temperature control fan, short circuit protection, over voltage and over current protection, and the over voltage and over current protection value can be set arbitrarily. It’s created a record of 72-hours uninterrupted test at full load.
  • 【Extensive use】HYELEC DC desktop power supply weight has reduced to around 2.71b more flexible and compact than ordinary power supply, it's suitable for a variety of applications such as laboratory scientific research, mobile phone repair and troubleshooting, electrical maintenance, battery charging, technology and DIY tools, etc
  • 【Packaging and after sales service】1 x HY50-06A DC power supply, 1 x output power cable, 1 x input power cable, 1 x English user manual, 24 months warranty and lifetime technical support
SaleNo. 9
DC Power Supply Variable, 30V 10A Bench Power Supply with Encoder Knob, 4-Digits Display, Adjustable Regulated lab Power Supply with 5V 3.6A USB & Type-C Quick-Charge, Output Switch
  • 【High Precision Encoder Knob】Unlike ordinary potentiometer knobs, this DC power supply is equipped with a high precision encoder knob that has strong accuracy and stability. Pressing the knob to change the digits to the left, and rotating the knob to adjust the set voltage or current for each digit between 0-9. Make work more convenient and flexible!
  • 【Output Switch Control】When using the DC power supply in experiments or work, the output button can prevent you from forgetting to turn off the output and causing damage to the load. Press the output button to turn on or off the output of the power supply. The status can be seen in the indicator light on the left side of the display, making it easier for you to use the bench power supply.
  • 【Overcurrent Protection】The adjustable power supply has an OCP switch button, which allows you to select whether to turn on or off the OCP according to your work needs. When the OCP function is enabled, if the load device is short-circuited during operation, the adjustable power supply will automatically stop output and emit a buzzer to remind the user. Protect adjustable DC power supplies and loads from damage.
  • 【4-Digit Display Screen】Variable power supply has 0-30V 0-10A high-definition display screen, which can simultaneously display three values of voltage, current, and automatically calculated power. It has constant voltage (C.V.) and constant current (C.C.) modes, which can be automatically switched. The indicator light of the working status can be seen on the display screen. The data is accurate to 0.01V and 0.001A. The high-definition digital display helps you operate as usual in the dark.
  • 【Excellent After-sales Service】Providing high-quality products is our major commitment to our customers, and each product has been repeatedly tested. If you encounter any problems with the product you receive, you can always contact us. DIAIARY Benchtop Power Supply provides a 5-year warranty plan and online technical support.
No. 10
DC Power Supply, Bench Power Supply with Output Enable/Disable Button, Adjustable Power Supply with Precise Encoder Knobs, Variable Power Supply with USB & Type-C Quick-Charge Interface (0-30V 0-10A)
  • 【Set the value you need directly】 Unlike traditional adjustment knobs, the WANPTEK dc power supply's precision encoder knob eliminates the need to make repeated adjustments for small data errors. It enables you to set the values you need directly and precisely.
  • 【Safety is the primary purpose】The dc power supply has an OCP alarm function. In the event of a short circuit, the bench power supply will sound a beeping alarm and stop output to protect the bench power supply and load from damage.
  • 【Efficient and convenient output design】The output of the variable power supply can be turned on or off by simply pressing the output button. This prevents us from forgetting to turn off the output and causing damage to the load. Not only that, it also allows you to set the voltage and current values directly without short circuit.
  • 【Multi-type charging port design】The variable dc power supply has both USB and type-c type of charging interface. Avoid the confusing situation of charging mismatch. Charge your repaired device or phone anytime, anywhere. In addition, the personalized mute function and screen brightness adjustment function give you the freedom to customize your needs.
  • 【More rational use of workbench space】The horizontal look of the power supply complements the free space on your workbench. Compact and Various Application. Product size: 3.14*5.7*8.26 inches. Weight: 2.64 lbs. Whether you carry it out to work or move it around the workbench is a breeze.

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Last update on 2024-05-03 / Affiliate links / Images from Amazon Product Advertising API