Power Management Deals

Handy if your existing power adapter cord doesn't reach the outlet, since the extra length gives you more flexibility in setting up your device without needing an extension cord. Buy Now at Newegg

Handy for anyone traveling abroad with multiple gadgets, since it grounds a standard plug while also charging two USB devices at once, and Best Buy has it marked down to $8.49 from $20, a $11.50 (about 58%) discount. Buy Now at Best Buy

Anyone rigging up a 12V or 24V system (think car projects, solar setups, or RV builds) can use this to safely power USB devices without frying them, and the 5A output handles most phones, cameras, or small electronics without a hitch. Buy Now at Newegg

Anyone working on projects that need to step up a low voltage source to power tubes, relays, or other high-voltage components will find this useful, since it handles a wide 8-32V input range and boosts it up to 390V output. Buy Now at Newegg

Anyone building or repairing electronics that need a stable 5V rail will find this useful, since it delivers a steady 6A of output without the reliability headaches of cheaper unbranded supplies. 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

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 building or repairing DIY electronics will find this handy for stepping up a lower DC voltage to power components that need more, with the adjustable output letting you dial in the exact voltage your project requires. Buy Now at Newegg

This adapter is a straightforward pick for anyone who has a small electronic device like a router, speaker, or webcam and lost the original charger, since it covers the common 4.5V-5V range without you needing to match an exact brand replacement. Buy Now at Newegg

Handy for keeping a nearby outlet accessible when furniture or wall placement forces an odd angle, since the rotating plug swivels flat against the wall instead of sticking straight out; it's priced at its regular $10 list, so no current discount applies. Buy Now at Best Buy

Handy to have on hand if your recliner's original power adapter fails or goes missing, since replacements from the chair manufacturer often cost more and take longer to arrive; Walmart has it for $1.60 off the list price. Buy Now at Walmart

Handy for anyone traveling to Europe with US devices, since a single adapter often gets lost or left behind and this pack gives you a backup; it's $12.90 (43%) off the $30 list price at Walmart. Buy Now at Walmart

Handy if you've got a device that relied on the original Jentec AH1812-C or AH1812-E adapter and it's since died or gone missing, since matching replacement power supplies aren't always easy to track down. Buy Now at Newegg

Rack-mounted setups with critical equipment benefit from the dual power inputs here, since it automatically switches sources if one feed drops, keeping your servers or AV gear running without interruption. Buy Now at Home Depot

Musicians running a Vibratone Pro amp who just need a reliable replacement cord will find this does the job without any extra fuss, since it's built to the exact 3-prong spec the amp requires. Buy Now at Newegg

Anyone building or maintaining medical-grade equipment needs a power supply that meets strict safety and reliability standards, and this one is built specifically for that kind of certified application rather than general industrial use. Buy Now at Newegg

This adapter cord splits a single L14-30P generator connection into four standard 20A outlets, so it's useful during outages if you need to run several separate cords or devices at once instead of just one. It suits anyone who already owns a portable generator with an L14-30 outlet and wants more flexibility without buying a separate power distribution box. Buy Now at Home Depot

Anyone replacing a lost or frayed power cord for a 12V device can grab this instead of guessing on compatibility, since the 2,000mA output covers most routers, cameras, and small electronics without overpowering them. Buy Now at Newegg