Power Management Deals

A pure sine wave inverter is the one to get if you're running sensitive electronics like CPAP machines, medical equipment, or modern appliances from a battery or generator, since it produces cleaner power than a modified sine wave unit. At 4000W, this one has enough capacity to handle most household appliances during an outage or off-grid setup. Buy Now at Walmart

Frequent travelers dealing with mismatched outlets across countries will get the most use out of this, since it combines universal plug compatibility with 30W fast charging for phones and small devices in one adapter, and it's currently $3.90 off the list price at Amazon. Buy Now at Amazon

A compact two-pack makes sense if you need to expand a single outlet in tight spots like behind a nightstand or desk without running a full surge strip across the room. Buy Now at Newegg

Newegg has the Yustda AC Power Adapter for Korg SP-100 and SP-200 Keyboards, a straightforward replacement option if your original adapter dies or you bought a used unit without one. Buy Now at Newegg

Handy for anyone whose Dolphin KP-380 charger got lost or died, since it's built to match the original power specs without hunting down the exact OEM part. Buy Now at Newegg

Frequent travelers juggling outlets across different countries will appreciate having one adapter that covers the bases instead of packing several; Walmart has it for $10 off the list price right now. Buy Now at Walmart

For anyone running a Bluetti power station and needing more runtime for extended outages or off-grid stretches, this expansion battery adds over 2,000Wh of backup capacity, and at $849 it's $550 off the $1,399 list price. Buy Now at Amazon

A DIN-rail-mounted 24V DC power supply with built-in selective fusing capability, this unit suits industrial control panel builders or automation engineers who need a compact, reliable power source for 24V DC loads without adding a separate circuit protection device. Buy Now at Newegg

Anyone running LED light bars or strips at home or in a workshop will want a power supply that stays steady under load, and this 120W unit handles that without overheating or flickering out on you. Buy Now at Newegg

Amazon has the Lefree 12-outlet surge protector with USB ports and a 4-foot cord for $15, which is $14 off the $29 list price. It's a straightforward pickup if you need to expand a single wall outlet into multiple plugs and USB charging spots without running a short cord. Buy Now at Walmart

Handy for anyone short on outlets behind a TV stand or home office desk, since it mounts flat to the wall and adds USB charging without extra adapters, and Walmart has it for $4 off the list price. Buy Now at Walmart

Suits anyone replacing a failed power supply on POS terminals, LED strips, or other equipment that calls for 24V at this exact wattage, since matching the original specs matters more than going with a generic brand. Buy Now at Newegg

A UPS like this is worth having if you want to keep a desktop PC, modem, or router running through brief power outages and protect gear from surges, and 650VA covers most basic home office setups without being oversized. Buy Now at Newegg

This heavy-duty 10AWG cable is built for connecting solar panels to charge controllers or batteries without voltage drop over distance, useful for RV, cabin, or off-grid setups. It's $4 off the list price at $23. Buy Now at Amazon

Handy for anyone short on outlets near a desk or nightstand, splitting one plug into six outlets plus USB charging ports without a bulky power strip. Amazon has it for $23.94, about $1.42 off the $25.36 list price. Buy Now at Amazon

This works with a Tesla Wall Connector to track home charging costs separately from other electricity use, which matters if you're billing a tenant or splitting utility costs with someone else. It's currently priced at its $210 list, so no discount right now. Buy Now at Best Buy

A compact strip with three standard outlets plus three USB ports (including one USB-C) makes this a practical desk or nightstand option if your devices outnumber your wall plugs. At $10, that's about $7 off the $17 list price. Buy Now at Walmart

This splitter cable lets you run two DC-powered devices off a single power source, which comes in handy if you've got two low-draw gadgets and only one outlet or adapter to spare. Buy Now at Newegg

Powering a small electronics project off a single AA or AAA battery gets tricky without a boost converter, and this 10-pack from Newegg gives you enough modules to handle several builds without reordering. Buy Now at Newegg