Power Management Deals

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

Data center and networking pros running Aruba switch infrastructure will want this on hand as a reliable replacement or redundant power source, since matching OEM supplies helps avoid compatibility headaches down the line. Newegg carries it for those who need genuine Aruba hardware without waiting on enterprise lead times. Buy Now at Newegg

Guitarists running the DOD VGS-50 system need a reliable AC-AC power source, and this adapter matches the exact voltage and connection specs the unit calls for without hunting down the original manufacturer's part. Buy Now at Newegg

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 wall-mounted TV installs where you want cords and power strips hidden inside the wall instead of dangling below the mount, and this one is currently priced at its $95 list with no discount right now. Buy Now at Best Buy

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 who's misplaced the original charger for their HP speaker setup can grab this as a straightforward replacement without paying HP's brand-name price. Newegg carries it as a compatible option that's built to match the exact voltage and connector specs your system needs. Buy Now at Newegg

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

Handy for anyone installing recessed downlights farther from the junction box than the standard cord allows, so you're not stuck rerouting wiring or adding extra connectors to make up the distance. Buy Now at Home Depot

Anyone setting up or expanding an outdoor landscape lighting system will want a transformer with reliable output, and this Kichler 15V model handles that job while running $20 below its usual $210 list price. Buy Now at Amazon

This power supply suits anyone running LED moving head stage lights and needing a dependable replacement or backup unit to keep a rig from going dark mid-show. It's a straightforward fix for lighting techs and DJs who'd rather swap a part than troubleshoot a whole fixture. Buy Now at Newegg

Anyone running tools or shop equipment along a wall or workbench benefits from the extra reach here, since the 15-foot cord and six outlets let you power multiple devices without a maze of extension cords. Buy Now at Walmart

Handy for anyone installing or retrofitting LED strip lighting who needs a driver that plays nice with standard dimmer switches, and at $32.89, it's about $10 off the $42.99 list price. Buy Now at Amazon

Handy for desks or nightstands where you're juggling multiple devices, with three outlets plus three USB ports so you're not hunting for adapters, and it's $10 off the list price at Walmart. Buy Now at Walmart

Suited for anyone running specialized 277V equipment that requires a locking NEMA 7-20P connection, like commercial lighting or industrial gear, and currently just under a dollar off the list price at $19.04. Buy Now at Amazon

Handy for powering small electronics that call for 9V 2A, like certain routers, speakers, or LED strips, and it's a straightforward replacement if you've misplaced or worn out the original adapter. Newegg carries it at a reasonable price if you just need a reliable, no-frills option. Buy Now at Newegg

Handy for anyone who's ever mounted a TV flush to the wall only to find the outlet stuck behind it, since this kit reroutes power to a new, visible location without any rewiring; it's currently priced the same as its list price at $70, so no discount here, just standard cost for a cleaner setup. Buy Now at Best Buy

Newegg has the Ablegrid Aruba Networks AP300 Series AC Power Adapter for anyone whose original charger died or went missing and needs a direct replacement without shopping for a whole new access point setup. Buy Now at Newegg

Handy for backup power during outages or off-grid camping trips, since the solar panel lets you recharge without needing an outlet, and right now it's $170 off the list price. Buy Now at Amazon