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30v Digital Power Supplies of 2025
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KORADKORAD KD3005D - Precision Variable Adjustable 30V, 5A DC Linear Power Supply Digital Regulated Lab Grade…
Main highlights-
Compact Design with Dual Displays
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Ideal for Lab and Hobby Use
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Praised for Reliable Protection
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3
LONGWEIDC Power Supply Variable,30V 10A 4 Digital LED Display Adjustable Regulated Switching Power Supply Digital with Leads Power Cord (30V 10A Black) Used for Spectrophotometer and lab Equipment Repair
Main highlights-
High Precision and Safety
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Versatile Applications
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Quiet and Reliable Operation
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4
LONGWEIDC Power Supply Variable 30V 10A, 4-Digital LED Display, Precision Adjustable Regulated Switching Power Supply Digital with Alligator Leads US Power Cord
Main highlights-
High Precision and Durability
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Ideal for Electronics and Metalwork
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Praised for Display and Controls
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5
JesvertyJesverty 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
25% OffMain highlights-
Versatile Power Supply
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Ideal for Labs and Workshops
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Highly Accurate Display
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See Today’s Deals & Prices
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KungberDC Power Supply Variable, 30V 10A Adjustable Switching Regulated DC Bench Power Supply with Intelligent Charging Mode, 18W USB Interface, Precision Encoder Knob (Black)
22% OffMain highlights-
High Precision Display
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Versatile Applications
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Stylish Design
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DC Power Supply Variable,Lab Bench Power Supply Adjustable 30V 5A 3 Digital Display,for Circuit Test,Electrolysis,DIY Electronics Testing, Battery Charging,Repairing,Researching,SKY TOPPOWER STP3005
Entry Level DC Variable Power Supply : SKY TOPPOWER 30V 5A bench power supply variable with high accuracy : 0.1V(100mV) and 0.01A(10mA) regulated power supplies; Make it more convenient to set your desired voltage and curren in the range of 0-30V and 0-5A; 3 LED digital display lab power supply with alligator clip leads; Please go to visit our video if not know how to preset the current and voltage$45.59
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NICE-POWER DC Power Supply Variable, 30V 5A Adjustable Switching Regulated Power Supply with Encoder, Upgraded 3-Digits LED Display, Electroplating DIY LED Test 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$37.99
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HYELEC Variable DC Power Supply, 0-30V 0-10A, Bench Power Supply with Encoder Knob, 4-Digit LED Display, Digital Calibration, USB and Type-C Charging
【High Precision】HYELEC adjustable dc bench power supply with precise encoder knob, using coded potentiometer, Coarse and fine adjustments can be switched with one click as needed, which allowing for precise adjustment of voltage and current respectively, display precision 0.01V and 0.01A, high precision LED display, stable value does not jump word.$49.99
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HANMATEK DC Power Supply (0-30 V 0-5 A) HM305M Mini Variable Switching Digital Bench Power Supply
①New Upgrade: HANMATEK HM305M laboratory power supply adopts digital microcontroller control, switching voltage regulator technology, simple and convenient encoder adjustment method, which realizes precise adjustment, highly stable output, reliable and durable machine life.$39.99
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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
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 display that shows the adjustable power supply output values of Voltage (V) / Current (A) / Power (W) in real-time. The high-definition backlit 4-digit LED display provides an accurate and clear readout for the voltage, current and power values even if you are in low-light condition$45.99
- 19% OffFree Shipping
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
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 greatly improve your work efficiency! ! The coarse knob sets the value before the decimal point, and the fine knob sets the value after the decimal point. (Setting resolution 0.01V/0.001A).$48.39
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WANPTEK POWER DC Power Supply Variable 0-30V 0-10A, Adjustable Switching Regulated Bench Power Supplies with Encoder Corase & Fine Knob, 3.6A USB & Type-C Quick-Charge, Overcurrent Protection(OCP)
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 Settings$47.16
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30V Power Supply 30W AC Adapter with 10 Interchangeable Jacks DC 30V Power Cord Universal 30 Volt 1A Charger for LED Strip Light for CCTV Camera for BT Speaker for GPS, Webcam, Router Transformer
Compatibility--30 Volt 1000mA charger replacement with 10 interchangeable jacks, regulated 30 volt 1 amp power supply compatible with LED Strip Light, for CCTV Camera, for BT Speaker, for GPS, for Webcam, for Router and more other 30v 1a devices. DC 30v power supply transformer compatible with 30v charger 1000mA; 900mA; 800mA; 700 mA; 600mA; 500mA; 400mA; 100mA; 200mA; 100mA universal 30v class 2 power supply devices$17.99
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Tekpower TP3030E DC Adjustable Switching Power Supply 30V 30A, Digital Display with Back Light
Output Voltage: 0- 30V DC with low ripple$319.99
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Tekpower TP3005E DC Adjustable Switching Power Supply 30V 5A Digital Display
Output Voltage: 0- 30V DC with low ripple$39.99