Power Management Deals

Anyone maintaining or repairing medical or industrial equipment will want this on hand, since Cosel builds these power supplies to meet strict medical-grade safety and isolation standards rather than general commercial specs. Buy Now at Newegg

Small electronics like laptops or monitors that spec out at 65W or less can run on this adapter, so it's worth grabbing as a replacement if your original charger died or you need a spare for a second setup. Buy Now at Newegg

Worth grabbing as a replacement or backup for any device that calls for 24V at 3.75A with a 4-pin connector, so double-check your original adapter's specs before ordering. Newegg's price makes it a reasonable option if your factory power supply dies and you need a compatible swap rather than a full device replacement. Buy Now at Newegg

Handy for road trips or emergency kits where you need to charge a laptop or run small electronics off your car's outlet, and at $13 it's $7 below the list price. Buy Now at Walmart

The Kzreect 220W Power Inverter plugs into a Milwaukee M18 battery to give you a standard AC outlet wherever you're working, which is useful for running small tools or charging devices away from a power source. At $27, that's $7 off the $34 list price. Buy Now at Walmart

Handy for road trips or job sites where you need to run larger tools or electronics off your vehicle's battery, and Best Buy has it for $12 off the list price. Buy Now at Best Buy

Useful for frequent international travelers who need a single adapter that works across multiple regions, rather than carrying a country-specific plug for each destination. Buy Now at Newegg

A straightforward choice for DIY electronics projects, 3D printers, or LED strip setups that need a stable 24V DC source without building your own power circuit. Buy Now at Newegg

For anyone building or repairing 48V equipment, this power supply delivers a stable 3A output without the higher cost of industrial-grade units, making it a solid fit for DIY electronics or embedded systems projects. Buy Now at Newegg

Handy for stringing power to a lamp, fan, or holiday lights across a room without hunting for a free outlet, since the twin 3-outlet ends let you plug in from either side of the cord. Walmart has it for $15.99, which is $5 off the $20.99 list price. Buy Now at Walmart

Stage lighting techs and DIY rig builders who need a dependable replacement power supply for beam moving head fixtures will find this one straightforward to swap in without hunting down proprietary parts. Newegg carries it if you're putting together or repairing a lighting setup and want a component that matches OEM specs. Buy Now at Newegg

The 25-foot cord length makes this a solid pick for reaching outlets far from your setup, whether that's a workshop, entertainment center, or desk against a far wall. Amazon has it for $39, about $18 off the $57 list price. Buy Now at Amazon

Handy for cruise trips where non-surge-protected power strips get confiscated, since this one's designed to meet ship regulations, and it's currently $2 off the $20 list price at Amazon. Buy Now at Amazon

Anyone running an older Drobo 5D and dealing with a lost or failed power brick can swap this in without hunting down the original manufacturer's part, and Newegg carries it if you want a straightforward replacement. Buy Now at Newegg

Plugs into your car's 12V outlet and converts it to standard AC power, useful for charging laptops, running small appliances, or powering devices on road trips where a USB port isn't enough. At $21, that's roughly $9 off the $30 list price. Buy Now at Walmart

Anyone tinkering with electronics projects that need to drop voltage from a battery or power supply will want a couple of these on hand, since having two on hand means you can run separate components at different voltages without buying more later. Buy Now at Newegg

Cruise ships often ban standard surge protectors, so this one's built to meet cabin power restrictions while still giving you multiple outlets and USB ports for charging gear in a small space. It's $3 off the $20 list price. Buy Now at Amazon

Handy for frequent travelers who visit multiple regions, since one adapter handles outlets in over 150 countries rather than requiring separate plugs for each destination. At $21, that's $3 off the $24 list price. Buy Now at Walmart

Handles two jobs in one unit: jump-starting a dead battery at up to 8,000 amps and inflating tires up to 150 PSI, which makes it a practical addition to a vehicle emergency kit. At $45, that's $5 off the $50 list price. Buy Now at Walmart