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

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

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

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

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

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

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 if you're building or repairing electronics that need a stable, isolated 12V output without risking ground loop issues or interference from the mains side. Buy Now at Newegg

Handy for anyone who already owns Dewalt 20V batteries and wants to run 12V gear like coolers, air pumps, or car accessories off them instead of buying a separate power source. Walmart has it at $18.99, about $4 off the $22.99 list price. Buy Now at Walmart

Update: The price has changed to $41.99 since this was originally published.

Handy for road trips or emergency setups where you need to run laptops or small electronics off a car battery without frying sensitive electronics, since pure sine wave output matches what you'd get from a wall outlet. At $38.93, that's about $3 off the $41.99 list price. Buy Now at Amazon

This one's for anyone installing or wiring up car audio gear who needs a reliable 12V source to power accessories during testing or setup, and it's currently priced the same as list at $23, so there's no discount to factor in. Buy Now at Best Buy

Anyone working on projects that need to step up a low voltage source to power tubes, relays, or other high-voltage components will find this useful, since it handles a wide 8-32V input range and boosts it up to 390V output. Buy Now at Newegg

Anyone setting up security cameras, LED lighting, or industrial control systems on a DIN rail will want a dependable power source like this, and the 4A output gives you enough headroom for multiple connected devices without overloading the supply. Buy Now at Newegg

Handy if your existing power adapter cord doesn't reach the outlet, since the extra length gives you more flexibility in setting up your device without needing an extension cord. Buy Now at Newegg

This inverter suits anyone running power tools, small appliances, or charging devices off a vehicle battery during road trips or job sites, with the fast-charge USB port covering your phone at the same time; it's currently priced at $330, matching its list price. Buy Now at Best Buy