DealNews - Best Power Management Deals

UCTRONICS 5V 4A USB-C PoE Splitter for $49

Fri, 28 Aug 2026 00:08:11 -0400

Anyone tired of running separate power cables to network devices like Raspberry Pis or IP cameras will appreciate this splitter, since it pulls power right off the Ethernet line and delivers it through USB-C. Buy Now at Newegg

Features

Gigabit Ethernet to USB-C power delivery
Supports 802.3at Power over Ethernet standard
Provides stable 5V/4A power output
Designed for Raspberry Pi 4 compatibility
Compact USB-C PoE splitter adapter

36W 3A 220V/380V to 12V Isolated Switching Power Supply Module for $23

Fri, 28 Aug 2026 00:07:28 -0400

This module steps down 220V/380V mains power to a stable 12V output while keeping the input and output electrically isolated, which matters for protecting sensitive circuits and equipment. It suits DIY electronics projects, industrial control panels, or any setup where you need a reliable 3A power source without risking ground loops or voltage spikes damaging your components. Buy Now at Newegg

Features

220V/380V wide input voltage range
12V 3A stable DC output
36W power capacity
Isolated design for electrical safety
Compact bare board module design

Phoenix Contact Mini-PS 24W Power Supply for $281

Fri, 28 Aug 2026 00:07:07 -0400

Anyone building out DIN-rail industrial control panels will want a dependable 24W supply on hand, and this Phoenix Contact unit handles the conversion to 24V DC without the bulk of larger power supplies. Buy Now at Newegg

Features

2938756 power module
100-240V AC input
10-15V DC adjustable output
Model: 2938756

Sony 19.5V 3.96A 75W AC Power Adapter for $22

Fri, 28 Aug 2026 00:06:41 -0400

Anyone who's misplaced the original charger for a Sony laptop or TV can grab this as a direct replacement without worrying about compatibility issues. Buy Now at Newegg

Features

19.5V voltage output
3.96A current capacity
75W total power
Compatible with Sony VGP-AC19V27
Model: VGP-AC19V27

Kehipi 60W 12V DC LED Power Supply for $60

Fri, 28 Aug 2026 00:06:39 -0400

Anyone setting up low-voltage LED strips or landscape lighting needs a reliable driver like this, and 60W gives you enough headroom to run longer runs without flickering or dimming issues. Buy Now at Newegg

Features

12V 60W DC power output
100-240V AC universal voltage compatibility
5A high-current capacity for demanding electronics
Versatile LED strip and computer project power
Compact and reliable AC to DC converter

Chanzon 12V 1.5A 18W AC DC Power Supply Adapter for $42

Fri, 28 Aug 2026 00:06:17 -0400

Handy for anyone replacing a worn-out power brick for LED strips, security cameras, or small electronics that call for a steady 12V 1.5A output, and Newegg's price makes it an easy swap without hunting down the original manufacturer's part. Buy Now at Newegg

Features

12V 1.5A 18W power output
UL listed safety certification
100-240V universal voltage compatibility
6ft extended reach power cord
Includes two power adapter units

8-22V to 3-15V 3A DC-to-DC Buck Converter for $32

Fri, 28 Aug 2026 00:05:23 -0400

Handy for anyone building or repairing electronics that need a stable stepped-down voltage, like powering microcontrollers or accessories from a car battery or higher-voltage supply without frying the circuit. Buy Now at Newegg

Features

Converts 8-22V input to 3-15V output
Supports 3A maximum current
Waterproof design for vehicle durability
Step-down voltage regulation module
Compatible with cars and trucks

HSP1800-S12A Switching Power Supply for $124

Fri, 28 Aug 2026 00:04:52 -0400

Anyone building or repairing electronics equipment that needs stable 12V output will find this switching supply does the job without the noise and voltage fluctuations you get from cheaper units, and Newegg carries it if you want a reliable industrial-grade option on hand. Buy Now at Newegg

Features

Model: HSP1800-S12A
Switching power supply

Ablegrid 9V 550mA AC-DC Power Adapter for $13

Fri, 28 Aug 2026 00:04:48 -0400

Anyone who needs a reliable replacement adapter for a 9V device (like routers, keyboards, or small electronics) will appreciate this one, since it delivers steady 550mA output without the higher cost of buying a new device or original charger. Newegg carries it if you're looking for a straightforward, no-frills power solution. Buy Now at Newegg

Features

9V 550mA output power
Compatible with KeyGlory SAW-0900550
AC-DC adaptor functionality
Model: SAW-0900550

Ablegrid AC DC Adapter for Yamaha PSR540 and DGX505 Keyboard for $12

Fri, 28 Aug 2026 00:04:08 -0400

Anyone replacing a lost or worn-out power supply for their Yamaha PSR540 or DGX505 keyboard can grab this adapter as a direct, no-fuss fit without hunting down the original OEM part. Buy Now at Newegg

Features

Compatible with Yamaha PSR540 and DGX505 keyboards
AC DC switching power supply adapter
Standard mains connection for consistent performance

APC Back-UPS 650VA 8-Outlet Uninterruptible Power Supply for $126

Fri, 28 Aug 2026 00:03:29 -0400

Power outages and surges can wreck electronics or wipe out unsaved work, and this UPS gives you enough runtime to save your files and shut down properly while keeping your router and modem alive so you don't lose your connection. Buy Now at Newegg

Features

650 VA battery backup capacity
8 surge-protected outlets
Data line surge protection
1-30 minutes battery run time
Model: BE650G1

Ablegrid 12V DC Power Adapter for Sunny SYS1089-1512-T3 for $13

Fri, 28 Aug 2026 00:03:17 -0400

Anyone who's misplaced the original power cord for a 12V device will appreciate having a direct replacement instead of hunting for a universal adapter that may not match the specs. It's a straightforward fix for getting your equipment running again without guesswork on voltage or polarity. Buy Now at Newegg

Features

12V DC power output
Stable switching power supply
Compatible with Sunny SYS1089-1512-T3
Reliable power delivery
Model: SYS1089-1512-T3

LDA50F-5 5V 10A Switching Power Supply Board for $172

Fri, 28 Aug 2026 00:03:11 -0400

Anyone building or repairing electronics that need a stable low-voltage output will find this useful, since it delivers a consistent 5V at up to 10A without the overheating issues cheaper boards run into. Buy Now at Newegg

Features

5V 10A power output
Switching power supply architecture
Model: LDA50F-5

Yustda 4.5V 1A AC/DC Power Adapter for $13

Fri, 28 Aug 2026 00:03:09 -0400

Anyone replacing a lost or frayed charger for a small electronic device will want to check the voltage and plug size match before buying, since this adapter covers the common 4.5V 1A spec used across many household gadgets. Buy Now at Newegg

Features

4.5V 1A stable power output
4.0mm x 1.7mm connector tip
Compatible with 100mA to 1000mA devices
Center positive polarity design
Wall charger plug configuration

AC to DC 24V 6A Power Supply Module Board for $20

Fri, 28 Aug 2026 00:03:01 -0400

For anyone building or repairing electronics that need a steady 24V output, this module handles the AC to DC conversion with enough headroom at 6A to power small motors, LED strips, or automation projects without strain. Buy Now at Newegg

Features

AC 110-220V input voltage
DC 24V output voltage
6A current output capacity
Switching power supply module board

Ablegrid AC Power Adapter for Linksys WRT Series Router for $13

Fri, 28 Aug 2026 00:02:52 -0400

Anyone still running an older Linksys WRT series router will want a reliable replacement adapter on hand once the original power supply starts acting up, and this one's built to match the router's original specs without the guesswork. Buy Now at Newegg

Features

Compatible with Linksys WRT400N, WRT320N, WRT350N, WRT610N routers
Reliable switching power supply cord
Durable replacement AC adapter

Yustda AC/DC Adapter for Cobra MNA-CAC for $19

Fri, 28 Aug 2026 00:02:48 -0400

Handy for anyone whose original Cobra MNA-CAC charger got lost or died, since this replacement adapter powers the unit without you having to track down the discontinued factory part. Buy Now at Newegg

Features

Universal 100-240 VAC worldwide voltage input
Compact wall-mount power adapter design
Reliable Class 2 power supply
Compatible with Cobra MNA-CAC devices
Model: AU41-120-040T

MW 40W 12V 3.34A LED Power Supply for $45

Fri, 28 Aug 2026 00:02:47 -0400

Anyone running an LED strip or panel setup that needs steady, reliable output will benefit from the 3.34A capacity here, since undersized supplies are a common cause of flickering or premature failure. Buy Now at Newegg

Features

40W output power
12V 3.34A current rating
Active power factor correction
Single output switching design
Model: NPF-40D-12

Yustda AC/DC Adapter for Lefton Lighthouse for $18

Fri, 28 Aug 2026 00:02:43 -0400

Handy if you already own a Lefton lighthouse and lost or wore out the original power cord, since finding an exact replacement adapter for these collectibles isn't always easy. Buy Now at Newegg

Features

Model: D35W030300-02/1
AC/DC adapter power supply
Compatible with Lefton Lighthouse
Reliable battery charger cord
Standard mains power connection

Vertiv Liebert GXT5 500VA 500W UPS for $1,002.99

Thu, 27 Aug 2026 23:45:58 -0400

This UPS suits home labs or small server closets that need to keep equipment running through short outages, with 500W of capacity for a router, NAS, or a couple of networking devices. Newegg has it at $1003, which is $496 off the $1499 list price. Buy Now at Newegg

Features

500VA 500W power capacity
40.4 minute half load battery runtime
6 NEMA 5-15P output outlets
Versatile rack or tower mounting design
Model: GXT5-500LVRT2UXL