Power Management Deals

Handy for anyone whose Memorex SKUD105028 charger has gone missing or died, since finding an exact replacement adapter for a specific model can otherwise be a hassle. 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

Useful for electronics hobbyists and DIY builders who need to convert a lower-voltage source, like two AA batteries, into a stable 5V output to power microcontrollers, sensors, or other USB-standard components. Buy Now at Newegg

Useful for anyone running 12V car accessories or CB radios from a standard wall outlet, since it converts household AC power to the 12V DC that most automotive electronics require. Buy Now at Newegg

Plugs into your car's 12V outlet and converts DC power to standard AC, so you can run small electronics or charge devices on the road without needing a separate battery pack. At $16, that's $11 off the $27 list price. Buy Now at Walmart

Anyone dealing with a drawer full of mismatched chargers can swap them all for this one, since it covers multiple voltage settings and comes with interchangeable tips to fit most small electronics. Newegg has it at a price that makes sense for a backup or replacement adapter rather than a specialty purchase. Buy Now at Newegg

Anyone running rugged laptops or specialized equipment in a vehicle or fieldwork setup will want the reliable, consistent power this adapter provides. Newegg carries it if your gear specifically calls for Lind's higher-wattage output. Buy Now at Newegg

A 6,000-amp peak rating puts this well above most consumer jump starters, which typically top out around 1,000 to 2,000 amps, making it a reasonable pick if you want serious reserve capacity for larger engines. At $29, it's about $1 off the list price. Buy Now at Walmart

Plugs into your car's 12V outlet and lets you stream audio through your FM radio while also keeping your devices charged via USB, which covers the basics for anyone without built-in Bluetooth or CarPlay. At $19, that's about $5 off the $24 list price. Buy Now at Walmart

Anyone whose Extron system's power supply has died can swap this in without hunting down the original manufacturer part, since it's built to match the 28-071-01's specs directly. Buy Now at Newegg

A variable voltage transformer lets you manually dial in the exact voltage output you need, which makes it useful for testing electronics, running older equipment with different voltage requirements, or any work where fixed outlet voltage isn't sufficient. At 2000VA, it has enough capacity to handle larger loads than most bench-top units. Buy Now at Newegg

Anyone whose 1byone turntable's original power supply died can grab this as a direct replacement without hunting through generic universal adapters that may not match the voltage requirements. Buy Now at Newegg

Handy for anyone whose device power supply died or went missing, since it converts standard AC outlets into a stable 12V DC output for small electronics and gadgets. Buy Now at Newegg

Anyone who's misplaced or worn out the original power cord for their Sony laptop or monitor can swap in this adapter without hunting down a discontinued OEM part. Buy Now at Newegg

Video creators and photographers running an on-camera LED panel off wall power will want a steady, dedicated adapter like this instead of relying on batteries alone during long shoots. Buy Now at Newegg

Handy for hobbyists running multiple voltage levels off one bench supply, since each channel adjusts independently for powering different components at the same time. Buy Now at Newegg

Handy for running sensitive electronics off a car battery or solar setup, since the pure sine wave output won't cause the interference or damage that cheaper modified sine inverters can. It's currently $69.03 off the $199 list price. Buy Now at Amazon

Anyone building out a solar setup or bench power supply will get the most out of this one, since it steps voltage up or down automatically and displays real-time output on its screen. The programmable settings also let you set voltage and current limits ahead of time, which cuts down on the risk of frying whatever you're powering. Buy Now at Newegg

Anyone whose Creative Inspire T10 speakers stopped working because of a lost or dead power adapter can grab this as a direct replacement without hunting down the original. Buy Now at Newegg

Off-grid setups and backup power systems benefit most from this hybrid inverter's ability to combine solar charging with pure sine wave output for sensitive electronics, and at $649 it's $50 below the $699 list price. Buy Now at Amazon