Power Management Deals

This one's for anyone running PoE-powered network gear (cameras, access points, VoIP phones) in a spot prone to power surges or lightning strikes, since it protects both data and power lines through a single RJ-45 connection. Newegg has it for $77, about $13 off the $90 list price. Buy Now at Newegg

Anyone juggling multiple devices at a desk will appreciate having four outlets and four USB ports in one unit, and the 1,080-joule rating gives your electronics solid protection against power spikes. Buy Now at Newegg

Handy if your Apple TV has stopped powering on and you've traced the problem to the power supply itself, since replacing this board is often cheaper than buying a new unit from Newegg. Buy Now at Newegg

Anyone building a workstation or server that runs demanding loads around the clock will appreciate the steady, industrial-grade power delivery this supply provides, since it's built to handle continuous stress that standard consumer units aren't rated for. Buy Now at Newegg

Keeps essential electronics like routers, computers, or medical equipment running through short outages thanks to its lithium battery backup, which suits anyone tired of losing work or connectivity during power blips. Amazon has it for $229.49, which is $40.50 off the $269.99 list price. Buy Now at Amazon

Setting up a long-run USB extender that needs auxiliary power, this Black Box supply gives you a straightforward 5 VDC source without having to hunt down a compatible generic adapter. It's a practical pickup for IT and AV installers who need a dependable replacement or spare on hand. Buy Now at Newegg

Handy for anyone installing or servicing a swamp cooler, since it lets you cut power at the unit itself instead of running back to the breaker box, and the fuse adds a layer of protection specific to cooler motor circuits. Buy Now at Home Depot

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

Anyone dealing with a dead or flickering flat-screen TV should check the power supply board before replacing the whole set, and this board is a common fix for that exact issue. It's a straightforward swap for DIY repair folks looking to save money over a service call or new TV purchase. Buy Now at Newegg

Handy for anyone running power tools or holiday lights across the yard, since the multi-outlet end lets you plug in several things without needing extra cords, and the 12/3 gauge handles higher-draw equipment without overheating. Buy Now at Home Depot

Handy for anyone who's lost the original charger for their Sony device, since replacing a proprietary power supply can otherwise mean tracking down parts from the manufacturer at a much higher cost. Buy Now at Newegg

A solid pick if your equipment specs call for the DPS-250AB-101B directly, since matching the exact model helps you sidestep compatibility issues that can crop up with generic replacements. Buy Now at Newegg

Handy for anyone building or repairing electronics that need a stable 24V output, since the HWS50A-24/A is an industrial-grade unit rated for continuous 50W loads rather than casual, intermittent use. Buy Now at Newegg

Handy for anyone running a router, security camera, or small server that can't afford a sudden shutdown, since it automatically switches to backup power the moment your main supply cuts out. Buy Now at Newegg

Anyone whose Linksys EtherFast lost its original power adapter can grab this replacement instead of hunting down a discontinued part, and it's sold through Newegg if you want a source you can track for returns. Buy Now at Newegg

Newegg sells this Ablegrid 14V 1A adapter as a direct replacement for your Ultimea Aura A50 Pro, which comes in handy if the original power supply gets lost or stops working. Buy Now at Newegg

Fits well for anyone wiring up LED strips, signage, or small electronics projects that need a stable 24V output around 250W, since running underpowered supplies tends to cause flickering or premature failure. Worth checking your amperage needs against the specs before buying, but for DIY installs this is a solid backbone component. Buy Now at Newegg

This adapter suits anyone whose HVAC unit needs a 6-30R outlet but only has access to a 10-30P dryer-style connection, letting you bridge the two without rewiring anything. It's a straightforward fix for mismatched outlets rather than a long-term power solution, so keep the 1.5-foot length in mind when planning your setup. Buy Now at Home Depot

This suits anyone building or repairing electronics projects that need a stable DC output, since it converts standard AC power without you having to design a supply circuit from scratch. It's a practical pick for hobbyists and technicians working on equipment repairs, DIY builds, or industrial control setups where reliable, consistent voltage matters. Buy Now at Newegg