10 Best Adjustable Power Supply 48v 50a In The Us - Black Friday 2024
Best Choice1
WHSTELENI2000W Switching Power Supply(0~48V,0~42A Adjustable) Industrial Charging Adapter for LED,Battery Charging/Activation,Motor,Electronic DIY
Main highlights- Warranty and Warning: 18 months warranty. If you encounter any issues with the purchased product, please contact us promptly. Non-professionals should not dismantle the power supply equipment, as improper operation may pose risks.
- Safety/Stability/Precision: This power supply is an industrial-grade product, known for its stability and precision. It adopts multiple layers of protection, including power on/off switch, temperature protection, short circuit protection, input low voltage protection, overload protection, and overcurrent protection, ensuring user safety during operation.
- Product Applications: Suitable for motors, LEDs, battery charging, battery activation, heaters, distribution cabinets, servo drives, maintenance industry, electronic DIY industry, electronic experimental schools, and more.
- Function description: This power supply is equipped with a digital display screen, allowing users to intuitively adjust and monitor voltage and current. When the switch is set to the "SET" position, the voltage and current can be preset. When the switch is set to the "NO" position, the power supply starts working and displays real-time voltage and current.
- 2000W Multi-Function Switching Power Supply, Input Voltage: AC 110V~ 50/60Hz.(Normal operating voltage range is 100-130V~.) Output Voltage: Adjustable from 0 to 48V, Output Current: Adjustable from 0 to 42A. (The factory default voltage and current are 48V and 42A respectively)
9.9Exceptional
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Value for Money2
JesvertyUniversal Compact Bench Power Supply- 50 Amp Regulated Home Lab Benchtop AC-to-DC Converter 13.8 Volt/9-15Volt, Cooling Fan, Screw Type Terminals - Jesverty SPS-50II
Main highlights- 【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.
- 【Screw-type main terminals】The main output terminals ensure easy compatibility with all DC-powered devices and are large enough to provide an efficient power transfer to your equipment.
- 【Forced Air Cooling Fan & Protection】A built-in cooling fan that prevents overheating and keeps the unit running continuously under heavy loads. Advanced short circuit protection and automatic current limiting ensure the safety of operators and any connected electrical equipment.
- 【Auxiliary Output Terminals】2 pairs of auxiliary snap-in terminals and a cigarette lighter socket on the front panel for added convenience.
- 【Analog V/A Meters】Highly visible V/A twin meters for real-time monitoring of the status.
9.8Exceptional
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3
BOSYTRO32% OffBOSYTRO 48V Adjustable dc Power Supply 600W,Switching Power Supply AC 110V/220V to DC 0-48V DC Converter with LED Digital Display, 5V 24V 36V Buck Converter for Dimmable LEDs,3D Printer,Computer Lab
Main highlights- 【Wide Application】BOSYTRO switching power supply is widely used in various DC 0-48V（5V 10V 12V 24V 36V 48V） appliances, electronic devices, LED lighting, progressive motors, CCTV, brushless motors, automation equipment, computer projects, and more.
- 【Upgraded LED Display】This 48v dc power supply is made with high-quality magnetic flux materials and multiple ventilation holes. It features a built-in cooling fan, ensuring efficient heat dissipation. 48v power supply made of shiny aluminum casing with an LED digital display and status indicator lights, providing clear and visible power supply operation status.
- 【Safety Tested】Before leaving the factory, the 110v to 48v dc power supply undergoes rigorous tests such as insulation and aging, radiating, ensuring stable performance. It has also passed power safety certifications and is manufactured using lead-free processes, meeting RoHS environmental requirements.
- 【Multiple Protections】The dc buck converter is equipped with intelligent overload, overvoltage, and short circuit protection functions. It consumes low power and operates with high efficiency in standby mode. The DC Converter, which has undergone strict testing and multiple protections, allows you to use it with peace of mind. If you have any questions about our product,Please feel free to contact us to provide you with high-quality service.
- 【Adjustable Voltage & Current】The 48 volt power supply provides adjustable output voltage ranging from 0-48V(max), with adjustable Amp output range 0-12.5A（max）. It is suitable for devices with power requirements of 2A,3A, 5A,10A,12A,and12.5A. Please ensure that you use devices below 12.5A with this power supply. Max output 600W; The output voltage depends on the requirements of the connected devices, providing different power for multiple devices (peak power not equal to maximum load power).
9.7Exceptional
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4
BOSYTROBOSYTRO AC to DC Converter 48V DC Power Supply Adjustable 0-48V 0-12.5A SMPS Max 600W Switching Power Supply for Led Strip, Motor Pump, CCTV, 3D Printer, Lab Computer
Main highlights- 【Wide Application】This 48v dc power supply widely used in industrial equipment, RV, radio/car stereos, Camper, led strip, cctv, computer project, 3d printer, motor pump, security camera, lcd monitor, lab computer and more device within 48 volt
- 【Multiple Protection】BOSYTRO adjustable power supply features a overload protection, over-current protection, short circuit protection which can protect your device from damage. Safe and stable, suitable for newer or an experienced user
- 【Intelligent Cooling System】This variable dc power supply with aluminum alloy shell and designed with multiple holes for better heat dissipation, Built-in Cooling Fan to prevent overheating and burning of circuit boards; moreover, Anti-skid pads are added to the bottom, which can also make the bottom better heat dissipation and work more stable
- 【Easy Operation】Compared to traditional multiline connection methods, this new version ac to dc converter design with two nickel-plated copper terminal, which can be directly connect by clamps,and it has good electrical conductivity and high conversion efficiency, corrosion resistance,aging resistant. Built-in wire integrated patent design. Super convenient and easy to use
- 【Adjustable Voltage & Current】This 48v power supply support input voltage 110v-240v ac, adjustable output voltage range 0-48v; adjustable output current range 0-12.5A, Power supply is suitable for 5V 9V 12V 24V 48V devices; Output current Mainly depends on your decive, max current up to 12.5A, max output power 600W.
9.6Exceptional
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5
DROKDROK 48V Power Supply, AC 110V/220V to DC 0-48V 10A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 12V 24V 30V 36V 48V Volt Voltage Transformer 10A Amp Charger for Lab CCTV
9.5 materials Quality8.9 worth the money8.7 Simple to useWhy we love it
Volt Adjustment: 110V/220V
Wide Output Voltage: 0 48V
Easy Operation: Rotate Potentiometer
9.5Excellent
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6
JesvertyJesverty DC Power Supply Variable, 0-60V 0-5A Adjustable Switching DC Regulated Bench Power Supply with High Precision 4-Digit LED Display, 5V/2A USB Port, Coarse and Fine Adjustment SPS-6005
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 is measures 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.
9.4Excellent
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7
SWTPWRAdjustable Power Supply DC 0-48V 600W with LED Display 48V Power Supply Variable AC to DC Converter 110V to 48V Designed for LED Light Car Stereo Automotive Equipment (DC48V-12A-600W)
Main highlights- 【Versatile Power Converter for Diverse Applications】This versatile transformer is designed for a wide range of devices and scenarios, including LED lights, home security systems, automotive systems, industrial equipment, and more. Featuring a 48V power converter, it seamlessly converts AC to DC, making it the perfect companion for your power needs whether you're at home, in your car, or anywhere else.
- 【One-Click Control and Multiple Protections】The power supply is designed with an eye-catching red one-button switch that makes power on and off operation safe and easy. Meanwhile, we have equipped the 110 to 48 volt converter with multiple protection functions, including short-circuit protection, overcurrent protection, overload protection, and overtemperature protection. All of these protections ensure that the device can be protected in a timely and effective manner when faced with various potential risks.
- 【New Edition AC to DC Converter】The upgraded dc power supply comes with 2 alligator clips, 2 copper lugs, 2 M3 screws, and 2 star screws. There are four connection methods with different combinations of accessories, providing convenience for various devices. It is especially convenient for devices with clamps, as you can simply clamp them onto the two cylindrical contacts. Our variable power supply and parts have been certified by UL, CE, and RoHS, and we hold a design patent for the appearance.
- 【High-Quality Internal Components for efficient voltage conversion】In terms of internal components, we have used high-quality oxygen-free coils and transformers, ensuring stable voltage conversion, reducing energy loss, and improving the overall performance of the product. At the same time, the EMI filter capacitors effectively filters out the noise and interference in the power supply, ensuring clean output current. By using advanced chip design, we provide stable and safe voltage support for the connected devices.
- 【Durable Aluminum Case with Intelligent Cooling Design】This AC to DC converter 110V to 48V uses an aluminum housing, which is durable and fashionable. The perforated design not only enhances the appearance but also effectively reduces the temperature of the 48V power supply, improving its efficiency. It has a built-in cooling fan with heat dissipation holes and a temperature sensor. When the internal temperature is too high, the fan automatically starts to achieve intelligent cooling.
- 【Adjustable Power Supply with LED Display】Want to easily adjust the voltage? Try our knob-controlled 48V dc power supply variable, just gently rotate the knob and the output voltage can be freely switched between 0-48V. Featuring a clear and bright digital display, it shows you the exact voltage you've set, making operation simple and intuitive.The rated power is up to 600W, with a maximum current of 12A, and the actual current is automatically adjusted according to the load.
9.3Excellent
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8
PyramidPyramid PSV500 Universal Compact 50 Amp Adjustable 12 to 15 Volts Output Home Bench Power Converter Supply, with 2 USB Ports and Overload Protection
Main highlights- USB AND SCREW-TYPE TERMINALS: This workbench linear variable power supply features dual USB charge port and universal screw connection terminals compatible w/ a wide range of devices/equipment. Used to test device/equipment operation and performance
- SHORT-CIRCUIT PROTECTION: Equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected electronics. Has rugged and durable housing construction safe for benchtop or desktop placement
- PLUG-IN OPERATION: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Switch-activated power control eliminates the need for an external battery or additional power source
- CONVERTS AC TO DC: Features AC to DC power supply variable linear / regulated design. Provides convenient and reliable AC-to-DC power conversion w/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, HAM radio, etc
- AMP GAUGE AND VOLT METER DISPLAY: This DC bench power supply is equipped with rotary control for the adjustable power supply DC and analog gauge amperage and voltage metered display for easy operation
9.2Excellent
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9
IMAYCCNew Version DC Converter Digital Display 110V, 48V Adjustable dc Power Supply 480W 10A,Variable Switch Transformer Regulated 5V 10V 12V 24V 48V Buck Converter for Car,CCTV Computer Lab.
Main highlights- 【Wide Application】This power adapter can be used as a 5V 10V 12V 24V 48V power supply For RV ,Car ,industrial automation equipment, LED Strip Light, CCTV ,etc. All of our item has 12 Months long time warranty guarantee(replace or refund for any quality-related issuses)
- 【Upgraded LED Display】This 48V Power supply is equipped with LED Screen , which can clearly display the output voltage and current, Adjustable voltage precision is 0.1V , you can see the working status of your device,No more fear of overvoltage damaging your equipment.
- 【Smart Cooling System】The Cooling Fan are designed to activate only when the power supply is under sufficient load（internal temperature up to 113℉）, ensuring optimal cooling and improved energy consumption. Say goodbye to noisy and unnecessary fan operation!
- 【Safe and Reliable】This Power Supply Adapter Come with Overload , overvoltage protection / Leakage protection and short circuit protection function ; Compare with others , IMAYCC 48V Converter , power cord and plug all have passed UL / CE / RoHS Certifications.
- 【Adjustable Voltage & Current】This DC Converter Input voltage Support AC 110V-120V or 220V-240V , Adjustable Volt Output Range 0-48V ; adjustable Amp output range 0-10A ;Power supply is suitable for 5V 9V 12V 24V 48V devices; Max current is 10A,Max output 480W.
8.9Very Good
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10
KungberDC Power Supply Variable, 60V 5A Adjustable Switching Regulated DC Bench Power Supply with Intelligent Charging Mode, 18W USB Interface, Precision Encoder Knob (Black)
Main highlights- What You Get - 1 x Kungber SPS605 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.
8.8Very Good
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