Power Management Deals

Bench work involving sensitive electronics benefits from the linear design here, since it delivers cleaner, more stable output than switching supplies that can introduce noise into your circuits. Buy Now at Newegg

A 10-foot cord gives you a lot more flexibility than the standard 6-foot strips, which makes this useful if your outlets are in awkward spots or you need to reach across a room. Buy Now at Walmart

Anyone dealing with a dead or missing power brick for high-draw equipment needs a reliable replacement, and this adapter's 230W output at 19.5V/11.8A covers gaming laptops and other power-hungry devices that standard chargers can't handle. Buy Now at Newegg

Handy for desks or nightstands where you just need a couple extra outlets and USB ports without a bulky strip, and it's currently priced at its $20 list with no discount applied. Buy Now at Best Buy

Handles both jump-starting a dead battery (up to 8,000 amps peak) and inflating tires up to 150 PSI, making it a two-in-one tool worth keeping in your car or garage. At $39, that's about $4 off the $43 list price. Buy Now at Walmart

A basic replacement cord for anyone whose printer, monitor, or other electronics cable has worn out or gone missing, running $10 with no current discount from the $10 list price. Buy Now at Best Buy

Useful for anyone who wants a single device to handle both a dead battery and a flat tire without needing a second car or a separate compressor, and at $54 it's $55 off the $109 list price. Buy Now at Walmart

Handy replacement if your original DY121-120010100 adapter has died or gone missing, since finding an exact-match power supply can be trickier than it sounds. Newegg carries it for anyone who needs the correct voltage and connector without hunting through generic universal chargers. Buy Now at Newegg

The 3-sided design lets you plug into all six outlets simultaneously without bulky adapters blocking each other, which makes it useful for desks or entertainment centers with multiple devices competing for wall space. At $16, that's $9 off the $25 list price. Buy Now at Walmart

Useful for home offices or entertainment setups where you're running out of outlets and want basic surge protection built in rather than buying a separate device. Buy Now at Walmart

Sixteen outlets is more than most surge protectors offer, making this a practical option for entertainment centers, home offices, or anywhere you're constantly running out of plug space. At $31, that's $9 off the $40 list price. Buy Now at Walmart

This adapter is a straightforward fix for anyone whose original Yamaha power supply has gone missing or died, letting you skip the batteries and keep the PSR-E360 plugged in for practice sessions or gigs. Buy Now at Newegg

Handy for electronics hobbyists or anyone building a bench setup who needs to power multiple circuits at different voltages from a single source — the LM2596 chipset is a well-regarded buck converter, so you're getting reliable step-down regulation without building the circuitry yourself. Buy Now at Newegg

A 4-pack of short 3-foot cords is useful when you just need a little extra reach behind furniture or along a baseboard without running a full-length extension cord across the room. At $12, that's $4 off the $16 list price. Buy Now at Walmart

Handy for anyone whose Electro Harmonix Stereo Polychorus lost its original power supply, since this swaps in as a compatible 9V replacement without hunting down the discontinued factory adapter. Buy Now at Newegg

Rebuilding or repairing an industrial power supply is where this module comes in handy, since it handles the diode function without requiring you to source a full replacement unit. Buy Now at Newegg

Power outages or off-grid trips call for this kind of backup, since 1,024Wh can keep essentials like a fridge or laptop running for hours rather than minutes. At $589, that's $210 (26%) off the $799 list price. Buy Now at Amazon

Update: The price has changed to $25.07 since this was originally published.

Handy for travelers heading overseas with high-wattage appliances like hair dryers or irons that standard adapters can't handle, since this steps down voltage rather than just adapting plug shape. Walmart has it for $25.04, a $34.94 cut from the $59.98 list price. Buy Now at Walmart

Replacement battery packs for business-grade UPS units like the Eaton 9130 can be hard to source at a reasonable price, so a third-party option from UPSBatteryCenter is worth knowing about if your runtime has started dropping. It's a straightforward swap for anyone maintaining server room or network closet equipment without wanting to pay OEM pricing. Buy Now at Amazon