Power Management Deals

Anyone whose DragonHawk power supply cord has frayed or gone missing can swap this in without hunting down the original manufacturer's part. Buy Now at Newegg

Anyone running a Voodoo Octave pedal needs a stable, correctly-matched power source, and this adapter delivers the right output without introducing hum or noise into your signal chain. 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

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

Panel builders and industrial control setups needing reliable 24V output will find this handles the load without the bulk of pricier DIN-rail units, and Newegg's pricing makes it a reasonable option for backup or replacement units on hand. Buy Now at Newegg

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

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 if you've misplaced the charger for a small electronics device and need a straightforward replacement rated for standard 5V/3A USB devices without paying for extras you don't need. Buy Now at Newegg

Data center admins running Juniper switches will want this as a compatible replacement or backup for the JPSU-350-AC-AFI slot, with front-to-back airflow that matches typical rack cooling setups. It's the kind of part worth having on hand before a failure takes down a switch, not after. Buy Now at Newegg

Handy for anyone running Lantronix UDS or EDS networking gear who needs a dependable replacement power source instead of hunting down the original adapter. Buy Now at Newegg

Anyone who's misplaced or fried the original power cord for their Yamaha Arius digital piano can grab this replacement without hunting down a pricier OEM part. Buy Now at Newegg

This power adapter suits anyone whose ZF120A-2402500 device has a dead or missing charger, since it delivers the exact 24V output needed without guesswork over compatibility. Buy Now at Newegg

Handy if your Sylvania SL5001 lost its original power cord or you just need a reliable backup, since finding a replacement adapter for this specific model isn't always straightforward. Buy Now at Newegg

This power supply suits anyone building or repairing electric bikes, scooters, or other 36V battery systems that need a reliable, higher-current charging source. The 11A output means faster charging times compared to standard low-amp supplies, which matters if you're cycling through batteries regularly. Buy Now at Newegg

Musicians running the Ammoon Octa Effect Pedal will want a reliable spare or replacement power source, and this adapter is built to match the pedal's exact voltage and polarity requirements without any guesswork. Buy Now at Newegg

Musicians running multiple pedals on a board will appreciate having a dedicated power supply that matches the Switchblade Pro's exact voltage needs without risking damage to the unit. Buy Now at Newegg

Handy for adding safe outlets at a desk or entertainment center where you're plugging in multiple devices, and at $12, it's currently priced the same as its usual list price at Best Buy. Buy Now at Best Buy

Anyone who's dealt with a dead battery on the side of the road will appreciate having both a jump starter and air compressor in one unit stashed in the trunk, no cables to another car required. Buy Now at Home Depot