Power Management Deals

Controlling holiday lights or outdoor decor from a remote instead of walking out to flip a switch is the main appeal here, and this three-pack suits anyone with multiple outdoor plugs to manage. Walmart has it for $24, about $10 off the $34 list price. Buy Now at Walmart

Suits anyone adding outlets to a desk, entertainment center, or home office setup, with 8 outlets and 1,200 joules of surge protection included at $5 off the $25 list price. Buy Now at Walmart

Rated for heavy appliances like window AC units, this cord handles the higher amperage draw that a standard extension cord can't safely manage, and at $10, it's about $2 off the list price. Buy Now at Walmart

Handy for a desk, nightstand, or anywhere a single outlet isn't cutting it, this extender adds four USB ports alongside additional AC outlets so you're not juggling adapters. At $11, that's $9 off the $20 list price. Buy Now at Walmart

This replacement cord suits anyone whose red light therapy device came with a cord that frayed, got lost, or stopped working, saving you from having to replace the whole unit. It's a straightforward fix worth keeping as a spare if you rely on your device regularly. Buy Now at Newegg

This one's suited to hobbyists and technicians who need clean, stable DC voltage for testing circuits or powering equipment, since the linear regulation keeps output ripple and noise low compared to switching supplies. The adjustable voltage and current controls give you room to work on anything from small electronics to car audio setups without needing separate supplies for each job. Buy Now at Newegg

Handy for electronics hobbyists and DIY builders who need to drop voltage from a higher source down to a stable 5V, which suits powering microcontrollers, Raspberry Pi boards, or other low-voltage components in a custom circuit. Buy Now at Newegg

Handy for anyone traveling to Europe who needs to plug in phones, laptops, or hair tools without frying them, and Walmart has it for $11 off the usual price. Buy Now at Walmart

This 18-inch adapter lets you connect a modern 3-prong dryer cord to an older 4-prong outlet, which comes in handy for moves or apartment swaps where the wiring doesn't match your appliance. At $20, that's $10 (33%) off the $30 list price. Buy Now at Walmart

Handy for job sites or power outages where you need to run small electronics off a Milwaukee 18V battery you already own instead of buying a separate generator, and it's currently $18 off the $90 list price. Buy Now at Amazon

A simple solution for travelers heading to regions that use Type A outlets, particularly useful if you're visiting Japan, Mexico, or parts of Central America where plug shapes differ from the US standard — though worth double-checking the specific outlet type for your destination before buying. Getting three in a pack means you can cover multiple devices or share with travel companions without hunting for extras. Buy Now at Newegg

This basic AC power cable works for extending the reach of desktop computers, monitors, or other electronics with a standard power inlet, and it's currently priced the same as list at $20, so there's no discount to factor in here. Buy Now at Best Buy

Handy for desks or entertainment centers that have run out of outlets, since the tower design and 6 USB ports let you charge phones, tablets, and full-size plugs without a mess of adapters, and Walmart has it for $8 off the list price right now. Buy Now at Walmart

Useful for anyone running 12V accessories in a vehicle or system that operates on a higher voltage, as it steps down the input to a stable 15A output without the energy loss you'd get from a resistor-based solution. Buy Now at Newegg

Handy for lamps, fans, or appliances that are awkward to reach, this outlet lets you toggle power on and off without getting up or hunting for a wall switch. At $25, that's $11 off the $36 list price. Buy Now at Walmart

Useful if you're running sensitive electronics like medical equipment, audio gear, or anything with a motor off a 12V battery, since pure sine wave output won't cause the interference or damage that modified sine wave inverters sometimes do. Buy Now at Newegg

Anyone whose RCA DCM305 or DCM305R modem power adapter died or went missing can use this as a straightforward replacement without hunting down the original. Buy Now at Newegg

A 2-pack of 25-foot outdoor extension cords works well for yard tools, string lights, or anything that needs power away from the house, and at $27 that's $23 off the $50 list price. Buy Now at Walmart

Rack-mount UPS units like this one are primarily for server rooms or home labs where you need battery backup and surge protection for equipment that lives in a standard 19" rack. The 1,000VA capacity is enough to keep a small server or network stack running through a brief outage, giving you time to shut things down cleanly rather than losing work to a sudden power cut. Buy Now at Newegg