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Selecting the correct lab power supply is crucial for the reliable and accurate operation of sensitive electronic equipment. The right unit ensures stable voltage and current, protecting your experiments and devices from damage. Understanding key features will help you make an informed decision for your specific needs.
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...
🌟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.
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...
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...
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...
Precise 4-digit LED Display: The dc power supply is equipped with a high-definition 4-digit display with data accurate to 0.01 V and 0.001 A. It has constant voltage (C.V.) and constant current (C.C.) modes, which can be switched automatically. You can...
1️⃣【Coarse & Fine Encoder Knob】: Jesverty's SPS-V bench power supply upgrades from traditional potentiometer coarse & fine adjustment knobs to encoder coarse & fine knobs making it more convenient to set your desired voltage and current and...
2️⃣【USB-A & USB-C 20W Quick-Charge】: The Jesverty desktop power supply features Type-A and Type-C dual charging ports, both supporting 20W fast charging⚡. Convenient for charging your smartphone and powering up your Arduino UNO, Raspberry Pi, or...
3️⃣【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! !
4️⃣【Functions & Protection】: AC115V/230V selectable input, OCP over-current protection, Temperature-regulated cooling fan, OPN* output status setting, etc. A bunch of convenient functions are loaded within this tiny unit! !
Upgraded DC Power Supply: The upgraded DC power supply integrates various advanced functions. For example, precise coding knobs, USB and type-c fast charge, OCP short circuit alerts, high-definition four-digit display and multiple security protection...
Coarse and Fine Coding Knob: Unlike other coding knobs, this bench power supply is equipped with coarse and fine tuning coding knobs, the coarse tuning knob sets the value before the decimal point, and the fine tuning sets the number after the decimal...
USB and Type-C Charging Port: One of the major advantages of our variable power supply over other variable power supplies is the addition of the TYPE-C fast charging port, which is different from the normal USB charging port and has a 5V/3.6A output for...
Short Circuit Alarm: Safety always comes first. When the load equipment is short-circuited, the adjustable power supply will automatically stop the output and emit a buzzer to remind the user. Not only that, the adjustable power supply also has the...
Newly upgraded 150W DC power supply with higher voltage and current: This DC power supply can be freely switched between 15V 10A and 30V 5A. When the current value is set to 10A, the voltage value cannot exceed 15V. If the voltage value is set to 30V, the...
Ultra small size, Ultra full functionality, Cool fan automatic start : This DC power supply is only 10*18.5*8CM in size and weighs less than 1KG. It is lightweight, portable, and compact in design. When you cannot fit a larger power supply, this DC power...
3-Digit display and Encoder button precise adjustment : The voltage value of the DC power supply is accurate to 0.1V, while the current is accurate to 0.01A. By using the latest encoder buttons, the desired current and voltage values can be accurately...
Instructions for use: (Please note: That when the DC power supply is too hot, please stop using it and wait for it to cool down before use to prevent irreversible damage to the DC power supply.)
1️⃣【Coarse & Fine Encoder Knob】: Jesverty's SPS-C bench power supply upgrades from traditional potentiometer coarse & fine adjustment knobs to encoder coarse & fine knobs making it more convenient to set your desired voltage and current and...
2️⃣【USB-A & USB-C 20W Quick-Charge】: The Jesverty desktop power supply features Type-A and Type-C dual charging ports, both supporting 20W fast charging⚡. Convenient for charging your smartphone and powering up your Arduino UNO, Raspberry Pi, or...
3️⃣【Intelligent Battery Charging】: With a single press of the added CHG button to activate Intelligent Battery Charging function. The real-time display of charging power (Ah) keeps you informed of the battery level🔋. And SPS-C power supply will...
4️⃣【Functions & Protection】: Output ON/OFF control, AC115V/230V selectable input, OCP over-current protection, Temperature-regulated cooling fan, OPN* output status setting, etc. A bunch of convenient functions are loaded within this tiny unit! !
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...
Overcurrent Detection Alarm: Easily activated with the 'OCP' button. Detects short circuits and overcurrents, triggering an alarm and stopping output to protect connected devices.
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...
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...
Stable output: 30 V, 5 A, 150 W DC power supply variable, 0.01 V, 0.001 A display, CC/CV switchable, <20 mV low power ripple, effectively protecting precision electronic equipment from voltage fluctuations
New upgrade: FNIRSI DPS-150 DC power supply supports PC, QC and DC input modes. This switching power supply is equipped with a PC programmable output function, 6 groups of output parameters can be preset to quickly adjust the output voltage and current
Diverse connections: The variable power supply integrates a variety of connection methods such as 4mm banana heads, U -shaped terminals and fine copper wires to meet the connection needs of different electronic equipment and power cords
Multiple security protection: Adjustable power supply built in 8 advanced safety protection mechanisms, including overvoltage protection, current protection, short circuit protection, overheating protection, etc., to protect your equipment safety
Precise 4-digit LED Display, Auto Power Calculation: The NICE-POWER DC power supply variable is a professional switching power supply regulation device with a high resolution of 0.01V and 0.001A. The variable power supply features a big bright 4-digit LED...
OUTPUT Switch Control: Sometimes we need to switch between different voltage or current outputs in experiments or work, but we often forget to turn off the output and causing damage to the load. The adjustable DC power supply OUTPUT key is designed to...
Reliability and Safety: Safety is our priority, all lab power supplies are certified. The adjustable switching regulated power supply is built with premium electronic components and reliable circuit designs that include multiple protection functions, such...
5V 2A USB Port, Intelligent Cooling Fan: Complaining about mobile phones or repaired devices not being charged in time? The NICE-POWER adjustable DC power supply allows you to avoid this dilemma. The variable power supply has built-in 5V 2A USB charging...
Last update on 2026-10-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Power Supplies
Safety and Certifications
Always check for relevant safety certifications, such as UL, CE, or FCC, which indicate that the product meets established safety and performance standards. Ensure the power supply has proper grounding and insulation to prevent electrical hazards. Understanding the power input requirements (voltage, frequency) is also crucial to ensure compatibility with your local power grid.
Frequently Asked Questions
What is the difference between linear and switching power supplies?
Linear power supplies use a transformer and regulator to produce a stable output, resulting in low noise but lower efficiency. Switching power supplies use electronic switches for higher efficiency and smaller size, but may introduce more electrical noise.
Why is ripple and noise important in a lab power supply?
Ripple and noise are unwanted AC components superimposed on the DC output. For sensitive electronic circuits, especially in measurement and amplification, these can cause errors and affect performance.
What does 'regulation' mean for a power supply?
Regulation refers to the power supply's ability to maintain a constant output voltage or current despite changes in the input voltage (line regulation) or the load connected to the output (load regulation).
Are programmable power supplies necessary for basic lab work?
For basic tasks like powering simple circuits or testing components, a standard adjustable benchtop supply is usually sufficient. Programmable units are more beneficial for automated testing, complex experiment setups, or precise control sequences.
What safety features should I look for?
Essential safety features include over-voltage protection (OVP), over-current protection (OCP), and over-temperature protection (OTP). These prevent damage to both the power supply and the connected device in case of a fault.
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