Power Management Deals

Handles both dead batteries and flat tires in one unit, which makes it useful for anyone who wants roadside backup without carrying two separate tools. At $56, that's $63 off the $119 list price. Buy Now at Walmart

Goldenmate's 600VA UPS uses a LiFePO4 battery rather than the sealed lead-acid chemistry you'll find in most budget UPS units, which means longer cycle life and lighter weight overall. At $160, it's $20 off the $180 list price. Buy Now at Amazon

Handy if your Mabis blood pressure monitor came without a power cord or the original one wore out, so you can skip running through batteries during regular monitoring. Newegg carries it for those who'd rather plug in than restock AAs every few weeks. Buy Now at Newegg

Useful if you're running LED strip lights, custom PC lighting, or any 12V DC project that needs a stable, higher-wattage power source without wiring directly to a battery or car power setup. Buy Now at Newegg

This module gives you manual control over PWM fan speeds independent of your motherboard, which suits anyone building a custom cooling setup or working on a DIY electronics project. It handles 4-wire fans at up to 3A, so it's a straightforward option if you need reliable speed adjustment without relying on software. Buy Now at Newegg

Handy to have on hand as a spare or replacement for laptops and other electronics that use a compatible barrel connector, since it covers multiple voltage settings in one adapter. It's priced at its regular $25 list, so there's no current discount. Buy Now at Best Buy

Useful for RF engineers or hobbyists working with devices that need DC power injected into an RF signal path without disrupting the signal itself, covering a frequency range that includes most common wireless bands like Wi-Fi and LTE. Buy Now at Newegg

This adapter lets Tesla owners plug into standard J1772 public charging stations, which is useful if you're heading somewhere without a Supercharger nearby. Amazon has it for $15.04, about $5 off the $19.99 list price. Buy Now at Amazon

A buck-boost converter handles both stepping voltage up and stepping it down, which makes this useful for electronics projects where your input voltage might fluctuate above or below your target output. The 4-pack gives you extras to work with across multiple builds without paying for individual units each time. Buy Now at Newegg

Owners of older dryer-style outlets who want to charge an EV without an electrician visit will get the most out of this adapter, since it lets you plug a 50A EV cable into a 30A NEMA 10-30 socket safely. Buy Now at Amazon

Useful for digitizing old VHS tapes, camcorder footage, or any analog video source to save as files on your computer, and currently priced $4 below the list price. Buy Now at Amazon

A solid utility pick for desks, home offices, or entertainment centers where you need extra outlets without much reach from the wall — the 10-foot cord covers more distance than most strips in this price range. At $16, that's $1 off the $17 list price. Buy Now at Walmart

This universal adapter suits anyone who needs a backup power supply for laptops or small electronics without being locked into one brand's charger, offering multiple connector tips for broader compatibility. It's currently priced at its $20 list price, so there's no discount to note right now. Buy Now at Best Buy

Handy for backup power during outages or off-grid trips, this setup pairs a 2,073.6Wh battery with a 350W solar panel so you can recharge without relying on the grid. It's currently $1,299, about $150 (10%) off the $1,449 list price. Buy Now at Amazon

A 12-outlet wall plug expander is useful if you're running out of receptacles in a home office, workshop, or entertainment center without running extension cords across the floor. At $19, that's roughly $10 off the $29 list price. Buy Now at Walmart

Camping trips, power outages, or job sites without an outlet all work as reasons to keep this on hand, since 120W covers small electronics and lights rather than heavy appliances. It's $24 off the $90 list price, about a 27% discount. Buy Now at Amazon

This extension cable is a practical fix for range setups where your outdoor kitchen layout puts the power source out of reach, giving DCS appliances the extra 6 feet needed without rewiring anything. It's currently priced at its $40 list price, so there's no discount factored in right now. Buy Now at Best Buy

Handy for road trips or job sites where you need to run a laptop or charge small devices off your car's outlet, and Walmart has it for $21.18, about $9 off the $30 list price. Buy Now at Walmart

Useful for electronics hobbyists, students, or anyone who needs a stable DC power source for testing circuits, powering small projects, or running 12V accessories on a bench without relying on batteries. Buy Now at Newegg