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30 Dc Power Supply Adjustables of 2025
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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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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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NANKADFDC 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)
Main highlights-
Precise Encoder Adjustment
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Ideal for Hobbyists and Professionals
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Praised Customer Support
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See Today’s Deals & Prices
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WANPTEK POWERWANPTEK 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)
Main highlights-
Advanced Functionality and Safety
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Versatile Applications
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Customer Favorite Feature: Precision
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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
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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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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.$42.99
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DC Power Supply Variable 30V 10A, 4-Digital LED Display, Precision Adjustable Regulated Switching Power Supply Digital with Alligator Leads US Power Cord
◆【High Precision, Wide Range】LONGWEI DC power supply is a professional power supply regulation device that designed with crystal clear, backlit 4-digit LED display of voltage, current, and power. Precise accuracy: 00.01V and 00.01A. You can easily tune it within 0-30V and 0-10A. Very durable and easy to observe even in low light conditions.$42.99
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12V Power Supply 360W 30A, AC to DC Converter 110v to 12v dc Power Supply Adjustable Universal Transformer for RV, Radio/Car Stereos, LED Strip, CCTV, Computer Project, 3D Printer
【ADJUSTABLE VOLTAGE AND CURRENT】Input voltage: AC 110V / 220V (85-145V / 185-265V); Output Range (12V 1A-5A, 12W-60W ) or (12V 10A-50A 120W-360W), voltage input will adjust automatically to SMPS Model, Output current Mainly depends on your device, e.g.DC 5A 60W, 10A 120W,25A 300W. Max current up to 30A, Power 360W.$39.99
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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 0~30V 0~10A, 3-Digits LED Display Current and Voltage Adjustable 150W Fixed with Encoder DC Bench Power Supply 15V 10A/30V 5A,Electroplating DIY etc DC Power Supply
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 current value cannot exceed 5A. [The device can only output 150 W, but don't worry, the device cannot be set to output current and voltage values exceeding 150 W.]$43.99
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Universal Compact Bench Power Supply- 30 Amp Regulated Home Lab Benchtop AC-to-DC Converter 13.8 Volt/9-15Volt, Cooling Fan, Screw Type Terminals - Jesverty SPS-30II
【Voltage Control】The output voltage is continuously adjustable from 9V to 15V or set at a fixed 13.8V. The Noise Offset Circuit moves unwanted switching noise to another frequency.$84.37
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Jesverty DC Power Supply Variable, 0-32V 0-10A Adjustable Switching DC Regulated Bench Power Supply with 20W USB & Type-C Quick-Charge, Encoder Knob, Output Switch, 4-Digit LED Display - SPS-3010M
1️⃣【High Precision Encoder Knob】: Jesverty's SPS-M bench power supply upgrades from traditional potentiometer coarse & fine adjustment knobs to encoder knobs making 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).$42.49
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DC Power Supply Variable,0-30V 0-10A Adjustable Regulated Bench Lab Power with 4-Digit Display,for Repairing Phones,Computers,Test,Battery Charging,Electrolytic Power Supply,DIY,Sky TOPPOWER PS3010H
High Precision 4 Digit Display: SKY TOPPOWER 30V 10A DC Bench Power Supply is a professional adjustable power supply regulator;The accuracy can be within 0.01V(10mV) and 0.001A(1mA), and the coarse fine knobs can turn smoothly and show no looseness or wobble,extremely sensitive;so you can easily adjust it within 0-30V and 0-10A$59.98