Best 300 Watt Power Supply

Bestseller No. 1

FLAMMA 9V 300mA Power Supply for Electric Guitar Effects Pedals Tip Negative

Compatible with FLAMMA FS-Series & FC-Series Pedals.
Tip negative, sleeve positive. Barrel Connector: 5.5mm x 2.1mm.
The adaptor can power most instrument pedals and other 9-volt electronic devices.
This adapter can NOT work with devices that require tip positive or ampere more than 300mA.
An isolated power supply means less noise interference with your sound, giving you the clear sound quality you're aiming for.

Bestseller No. 2

SHNITPWR 12V DC Power Supply 25A 300W Switching Power Supply Transformer Adapter 110V 220V AC to DC 12 Volt 25amp 24A 23A 22A 21A 20A Converter LED Driver for LED Light 3D Printer CCTV Stereos Radio

Universal switching mode power supply. Input: AC 110V / 220V, 50 / 60Hz ; Output: DC 12V, Max 25A 300W. Three ports, output max 25A in total. Each port outputs 0~25A automatically to match your device. The default output voltage is 12V, but it can be regulated by 10%, from 10.8V to 13.2V.
It can supply with all currents less than 25A, such as 5A, 10A, 15A, 20A, 21A, 22A, 23A, 24A, 25A. For example, if your device draws 19A, then 19A will be supplied. If draws more than 25A, only 25A will be supplied and power supply will be damaged soon. NEVER OVERLOAD !
Certified by FCC CE ROHS. We focus on producing high quality power transformers. Automatically over-current cut-off, over-voltage cut-off, over -temperature cut-off, short circuit protection. Low noise, no spontaneous combustion, no explosion, no fire hazard, stable output, safe to use.
It is widely use to driving 12V LED strip light, commercial lighting project, wireless router, ADSL cats, stereos, radio, home security cameras, audio/ video devices, 3D printer, CCTV DVR NVR Surveillance System, LCD/LED monitor, webcam router, speaker or other 12V devices less than 300W.
Considering safety, we build in a cooling fan to improve heat dissipation efficiency. The fan will keep running all the time once it is powered. 30 days money back, 12 months exchange. If there is any issue, please contact us anytime.

Bestseller No. 3

Rextin DC 12V 300W 25A Regulated Transformer Power Supply Driver SW For LED Strip Lights (300W)

Led power supply transformer driver SW Input: AC 110V/220V 50/60Hz, Output: 12V 300W 25A
Smart device surge protection for Short-circuit Protection, Overload Protection, Over Voltage,Over Temperature Protection. High efficiency, High Reliability, Low Temperature Rise
Certificates: CE/RoHS/FCC Approved
Warnings: Don't open or modify the led power supply. Please leave children, kids far away from high voltage power source. Please use it under professional electrician's guides. Any abuse or improper use will void warranty.
widely used in LED lighting, Home Appliance, Instrumentation, Office Automation, Telecom, Process and Engineering Industries etc

Bestseller No. 4

NICE-POWER DC Power Supply Variable, 300V 1A High Voltage Programmable Adjustable Regulated Lab Bench Power Supply with PC Software, Encoder Knob, Memory Storage, Output Switch, Lock Button

【Programmable DC Power Supply】 DC power supply variable with RS232/USB port, after installing the specified software you can directly use the computer to control the DC power supply. You can quickly and accurately adjust the voltage/current, set multiple memory values, export data tables/graphs, program outputs and more. Please note that the software is for Windows only. If you have questions about installing or using the software, please feel free to contact us.
【Encoder Adjustment Knob, Output Switch】 The encoder adjustment knob can be used to precisely regulate the voltage and current. Press the knob to determine the number of digits to be regulated and rotate the pushbutton to regulate the desired voltage/current value. The output switch controls the output of the DC power supply and prevents damage to the load.
【Memory Storage, Lock Button】 DC power supply with 4 sets of data storage buttons, you can set the commonly used data for storage, turn on the DC power supply again can be used with one key, very convenient. The lock button prevents you from accidentally touching other buttons to avoid re-adjustment.
【Multi-protection, Color Screen】 DC power supply variable have multiple protections for safety and durability. Current overload protection, overheating protection, overvoltage protection and so on. The color screen clearly identifies voltage, current and power.
【Terms of Service】 When you buy a DC power supply you get 1* programmable DC power supply, 1 set of output power cables, 1* input power cable, 1* user manual, 1* USB cable for connecting to your computer. We provide 12 months warranty and 24 hours technical support, if you have any questions, you can contact us at any time.

SaleBestseller No. 5

Apevia TFX-AP300W Standard Flex ATX 300W Power Supply - 115-230V AC, 1 x 20/24Pin Main Power, 1 x 12V(P4), 3 x Pheripheral, 3 x SATA, 1 x Floppy

APEVIA TFX-AP300W Standard 300W Flex ATX Power Supply
Input Voltage: 115-230V AC, Input Frequency: 60/50
Output: +3.3@12A; +5A@12A; +12V@20A; [email protected]; [email protected]
5% Tolerance of 5V, 3.3V & 12V Output
Forced Air Ventilation by 1 x 80mm Fan

SaleBestseller No. 6

LLTOP LED Driver 300 Watts Waterproof IP67 Power Supply 90-130V AC to 12V DC 25A Low Voltage Transformer Converter Power Adapter for Indoor Outdoor LED Lights

[Low voltage Transformer]: Constant voltage power supply input: AC90-130V 50/60Hz Output: DC12v, 25A, 300w, 3.3 feet input cord with US standard 3-prong plug
[Multi safety Protections of led power supply]: Automatic safety protection for short circuit, overload, over voltage, over current, over temperature
[Waterproof and Ultra Slim]:100% waterproof IP67, size of 9.68x3.15x1.57 inches suitable for multi scene
[Wide Range of Applications]: Converts 110V/120V AC to 12V DC, widely use for led strip lights, led landscape lighting, pool lights, outdoor led signs, modules
[Durable Material]: Aluminum alloy housing easy for heat dissipation, waterproof glue full filled inside to protect components operation stability

Bestseller No. 7

Sony OEM Power Supply Replacement Unit PSU ADP-300 ADP-300CR for Sony PlayStation 4 PS4 Pro CUH-7015B

Will not fix a blue light(motherboard) problem.

Bestseller No. 8

Henxlco AC 110V/220V to DC 5V 60A 300W Universal Regulated Switching Power Supply Adapter Transformer Driver Converter for Silver

Dual input voltage: AC 110V/220V. Output: DC 5V 60A max, Output voltage is adjustable ±15%. IN-DOOR USE ONLY!
Three sets of output Channel. With three independent output channels, it can power more devices. The maximum output of each channel can reach 60A 300W. Total output power of the three channels is 60A 300W.
Works with device that draws less than 60A, such as DC 24V 1A~48A. The max use of power should be no more than 80% of the full loads 48A 240W.
Over Voltage Protection, Overload Protection， Short Circuit Protection，Over Current Protection
High quality Widely used in Industrial automation, electronic equipment, LED display, LED Lighting, LED Strip, CCTV cameras Security System, Radio, Computer Project, home appliance etc.

Bestseller No. 9