10 Best 48v Dc Power Supply Ul of 2025

Tested and Reviewed: Top 10 48v Dc Power Supply Ul deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

Editor's Choice

9.7

PoE Texas

PoE Texas UL/CE/FCC Certified DC Power Supply | 24, 48 and 56 Volt DC for Power Over Ethernet Applications (48 Volt 2.5 Amp 120 Watt)

Free Shipping

Editor's bottom line:

“This 48v dc power supply ul is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

48 volt 120 watt power supply for PoE injectors or switches or other uses
Use either as primary power, or use to add backup failover power
For use with PoE Injectors for 802.3af/at applications. See below for compatible injectors from POE Texas
2.1mm x 5.5mm DC connector fits most DC inputs
Backed by 1 year warranty - For expert technical support from Austin, TX please call 512 479 0317

Show Price

Picked by 303 people today

9.5

DROK

DROK 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

Free Shipping

Main Highlights

Volt Adjustment Input Voltage can be 110V or 220V. Wide adjustable output Voltage range: DC 0-48V. This supply is suitable for 5V 9V 12V 24V 30V 36V 48V devices. The voltage precision is 0.1V. NoteThe maximum current is 10A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 10A and can not be regulated. It can be used to device of 2A 3A 5A 10A. Make sure to use the devices which is below 10A.
Hareware This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise.
Easy Operation This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter.
Protection Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from damage. Note: the default input voltage is 220V, before using, please switching the input voltage to 110V/220V according to your city voltage.
Wide Application This power supply has variable application. It can be used as a 5V 12V 24V 30V 36V 48V power supply for RV, Car, Labtop, Computer, Lab, CCTV, etc. All of our item has 1 year long time warranty guarantee.

Show Price

9.5

LINOVISION

LINOVISION UL Listed DC 48V 2.5A Power Adapter, AC 100-240V to DC 48V 2.5A 120W Power Supply Adapter for PoE Switches and PoE NVRs

Free Shipping

Main Highlights

Input: AC 100-240V 50/60Hz; Output: DC 48V 2.5A 120W.
UL Listed power adapter, reliable and safe.
DC output interface: The default is 4 pin 5.08mm terminals. You can also remove the terminals and connect them directly to the PoE Switch terminals with wires.
120W Power Supply Adapter for PoE Switches and PoE NVRs.
1 years warranty, US local technical support + Global after-hour support.

Show Price

9.2

PoE Texas

PoE Texas 48v Power Supply - 48 Volt 60 Watt AC to DC Power Supply for Power Over Ethernet, PoE Injector, Adapter, Splitter, Extender, Network Switch - 60w 48vDC PoE Power for 802.3af, 802.3at Devices

Free Shipping

Main Highlights

48 volt 60 watt UL/CE/FCC rated DC power supply. Designed for perfect compatibility with our PoE injectors and switches, this 48v power supply offers safety, reliability, and efficiency for any Power over Ethernet application.
For use with PoE injectors, switches, adapters, splitters, and extenders. Designed for 802.3af and 802.3at applications, IP cameras, security systems, VoIP phones, WiFi Access Point, and other PoE devices on a home or business network.
Uniquely designed with built-in mounting tabs to increase the protection, stability, usability, and tamper-proofing of your setup. Use this AC to DC power supply as primary power, or add backup failover power for redundancy and load balancing in systems.
Energy is conserved as power is converted to the lower voltages required by modern electronics. Output: 48v 60w 1.25A DC. Input: 100v to 240v AC. The 2.1mm x 5.5mm DC connector fits most DC inputs. Dimensions: 6" x 3" x 1.5"
All PoE Texas products are backed by a One Year replacement warranty and a 30 Day, no questions asked, return policy. Expert help is only a phone call away. Please call 512 479 0317 for assistance.

Show Price

9.0

SenTaiYuan

SenTaiYuan 48V 3A Power Adapter, 144W, DC 48V 3A Switching Power Supply, 5.5 x 2.5mm for PoE Switch/Injector, Security Equipment

Free Shipping

Main Highlights

What you will get: One 48V DC power supply with a power cord, a one-year warranty, and helpful customer service.
Input: 110V-240V 50 / 60Hz Output: DC 48V 3A,; DC interface size: 5.5mm x 2.5mm.5.5mm x 2.1mm.
It only works with most 48V PoE switches / PoE injector . Please confirm the power plug model before you buy it.
Protection function: overvoltage protection, overload protection, short circuit protection, overvoltage protection with stop and lock function, overcurrent protection with automatic reset function, brand-new durable product, to meet your needs.
Warning: This adapter CANNOT be used for E-Bbike please! DO NOT use to all lithium battery products! NOT for electric bicycles, NOT for eBike with lithium-ion batteries, NOT balance car, NOT Ebike EMC-120 Lipo

Show Price

8.8

Facmogu

Facmogu 48V 2A Power Supply Adapter, AC 100-240V to DC 48V 2A Transformer Interface 5.5x2.5mm & 5.5x2.1mm Plug, 96W Adapter US Plug for Stereo Receiver Hi-Fi Home Audio Class D Integrated Amp

Free Shipping

Main Highlights

IMPORTANT NOTE-- Compatible with 48V DC equipment, please make sure that the output voltage of your electronic device is 48V and the output current is less than or equal to 2A, the rated power is within the range of 96W! This is a 2A power converter. If a product exceeding 2A is connected, which will cause not working properly.
Power Specifications-- Power Supply with Input AC100-240V- 50/60Hz and Output: DC 48V/2A (2000mA), 204cm (6.69 feet) Total Cable Length. Indoor use only!
Plug Design-- Fit for both 5.5x2.5mm & 5.5x2.1mm plug. This cable terminates with a "standard" 5.5mm OD, 2.5mm ID DC plug, but it's also compatible with DC 5.5x2.1mm socket with the inner center spring contact. (NOTE: Power Supply Polarity: Center or Tip is positive (+), Sleeve is negative(-).
Built-in Power Supply Protection-- Certified by UL, it ensures safe use with over voltage, over current, and over temperature protection to keep all of your mobile devices safe from unexpected surges and spikes. Wide voltage range from 100V to 240V makes it suitable for travel.
Wide Applications-- It widely used to 48V equipment, such as car subwoofer amp, audio amp boards, portable powered speakers, audio/ video power supply, water purifier, massage chair, DC motor, DC pump, inkjet printer, laser engraver, electric drill and other 48V devices less than 96W.

Show Price

Best Value

8.6

Save 35%

Snsnlent

Snsnlent AC DC 48V 3A Power Supply Adapter 144W 48V Charger 48V 3A Switching Power Transformers Interface 5.5 x 2.5mm Suitable for POE Routers Switches Control Systems

35% OffFree Shipping

Main Highlights

The parameters of 48V 3A Adapter: AC input 100-240V 50 60Hz, DC output 48V 3A; wide voltage input, in line with global standards
Warning: This adapter CANNOT be used for E-Bbike please! DO NOT use to all lithium battery products! NOT for electric bicycles, NOT for eBike with lithium-ion batteries, NOT balance car, NOT Ebike EMC-120 Lipo
DC connector size: 2.5mm inner diameter, 5.5mm outer diameter, dc cable length 90cm/2.95ft; Suitable for PoE switch or PoE injector CCTV camera LED display
Four protections and safety guarantees: over-voltage protection, over-current protection, short-circuit protection, over-heat protection; shipment after load aging test. 100% brand new products, adopting chip motherboard solution, more stable quality and performance. All copper nickel-plated plug, standard safety input jack, good conductivity, wear-resistant and not deform , pass plug and unplug test, strong corrosion resistance
Packaging and service: the package contains 1x48v 3a AC adapter and 1xAC power cable; We provide a 30-day free return and 1-year warranty service.

Show Price

8.3

iCreatin

UL Listed 48V 60W Power Supply Adapter for PoE Switches, Injectors, Routers and Transformers

Free Shipping

Main Highlights

Reference Compatible models:PoE Texas PoE Switch injectors POE-8-48v60w GPOE-4A-48v48w PS-48v60w POE-8 GPOE-8A-48v60w AT-4-48v60w
High quality design 48 volt 65 watt power supply for PoE injectors or switches
Input: 100-240VAC , output 48V 1.35A Max 65Watt, with DC jack 5.5x2.1mm
Safety-UL Listed: Built-in over voltage , over temperature , short circuit protection etc.
Use either as primary power, or use to add backup failover power.Warranty 1 year

Show Price

8.1

Security-01

AC to DC 48V 1.3A 60Watt Power Supply Adapter, Plug 5.5mm x 2.1mm, UL Listed

Free Shipping

Main Highlights

Input: AC100 ~ 240V, 50/60Hz
Output: DC 48V 1.3A
Model: CS-4801300
Plug Size: 5.5mm x 2.1mm
Warranty: 18 months and lifetime technical support, FCC, UL certificate, WEEE, RoHS

Show Price

8.1

HPMN

HPMN 48V 2A Power Supply 96W AC/DC Adapter AC 100-240V to DC 48 Volt 2 Amp Power Transformer Interface 5.5x2.5mm DC Output Plug for POE Switch POE injectors

Free Shipping

Main Highlights

48V DC Power Supply: Input 100V-240V 50/60Hz. Output 48V DC up to 2A 96W Max. Dc power adapter can provide 2A current maximum, such as DC 1A, 1.25A, 2A, if draws more than 2A, it will be damaged soon. Please not overload. It is not waterproof, Indoor use only
Plug Design and Size:48V 2A power supply is suitable for 5.5x2.5mm and 5.5x2.1mm jack for compatibility with a wide range of devices. Wide voltage input. Please note the DC plug polarity is inner Positive (+) and outer Negative (-)
Important Note: 48V 2A power adapter DO NOT use for all lithium battery products! such as :Not applicable to electric bicycles, bicycle eBike lithium-ion batteries, balance bikes, cars, motorcycles, balance bikes, Ebike EMC-120 Lipo charging, Pocket Mod Sports Mod and Dirt Quad lithium batteries
Safe Protection: This switching power supply has multiple protection functions, Automatic over voltage cut-off, over current cut-off, overload cut-off, short circuit protection. Good safety performance and high reliability, smooth, flicker-free output
Wide Applications: 48 Volt 2 Amp adapter is versatile , which can be in high demand for CCTV Security Surveillance Devices, PoE switch, PoE injectors, the most model 48V PoE NVR Injector and so on

Show Price

Our Best Overall Choice

Best Choice

9.7

PoE Texas

PoE Texas UL/CE/FCC Certified DC Power Supply | 24, 48 and 56 Volt DC for Power Over Ethernet Applications (48 Volt 2.5 Amp 120 Watt)

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

48 volt 120 watt power supply for PoE injectors or switches or other uses
Use either as primary power, or use to add backup failover power
For use with PoE Injectors for 802.3af/at applications. See below for compatible injectors from POE Texas
2.1mm x 5.5mm DC connector fits most DC inputs
Backed by 1 year warranty - For expert technical support from Austin, TX please call 512 479 0317

Show Price

Related Deals You Might Like for 48v Dc Power Supply Ul

48V DC Output Industrial DIN Rail Power Supply 5 Amp NDR-240-48 Input Voltage 100 to 240 with PFC

Show PriceView

LEDwholesalers 12V 4A 48W AC/DC Power Adapter with 5.5x2.1mm DC Plug, UL-Listed, Black, 3228-12VR2

Show PriceView

NOYITO AC to DC 48V 4A Isolated Power Supply Module AC 120V (100-240V) to 48V 4A 192W Peak 5A 240W Max Power Module with Overcurrent Overload Short-Circuit Protection (DC 48V 4A, Blue)

Show PriceView

HPMN 48V 2A Power Supply 96W AC/DC Adapter AC 100-240V to DC 48 Volt 2 Amp Power Transformer Interface 5.5x2.5mm Output Plug for POE Switch POE injectors

Show PriceView

SenTaiYuan 48V 3A Power Adapter, 144W, DC 48V 3A Switching Power Supply, 5.5 x 2.5mm for PoE Switch/Injector, Security Equipment

Show PriceView

CNCTOPBAOS 600W 48V DC Switching Power Supply Transformer AC to DC Driver Adapter Universal Regulated Converter 12.5A for LED Strip Light CCTV Camera Radio Stepper Servo Motor 3D Printer (48V 12.5A)

Show PriceView

Adjustable 0-48V Power Supply 12.5A 600W, 110V AC to DC 0-48V Buck Converter 0-12.5A 600W Switching Power Supply with LCD Display Adjustable Voltage Current 48V 12.5A Transformer SMPS

10% Off

Show PriceView

LLTOP 48v DC Power Supply 300w 6.25A Waterproof AC110v/120v to 48vdc Converter Constant Voltage Outdoor Transformer for Pump Humidifier LED Lights

Show PriceView

BOSYTRO DC 48V 20.8A 1000W Switching Power Supply SMPS AC 110V / 220V-DC 48V Transformer Adapter, for LED Strip Light, CCTV Camera Security System,Computer Project of Industrial Power Supplies

Show PriceView

Fosi Audio 48V 10A Power Supply 480W 48VDC Adapter for Home Audio Amplifier ZA3, V3, V3 Mono, BT20A Pro, TB10D Amp

Show PriceView

Deals are Live

Special Amazon deal ends in: