Power Management Deals

Anyone running a bank of LEDs, a small CNC setup, or other 12V/5V DIY electronics projects will want the steady 200W of output this supply provides without overpaying for capacity you won't use. Buy Now at Newegg

Cordless massager owners who've misplaced or worn out their original cord can swap in this adapter without hunting down a Homedics-branded replacement, since it's built to match the NMS-630H's power specs. Newegg carries it as a straightforward, compatible substitute rather than an OEM part. Buy Now at Newegg

Handy for anyone using older or budget speakers, routers, or fans that need 9V but only came with a 5V charger, and having four in the pack means you can keep one in every bag or room without hunting for the right adapter. Buy Now at Newegg

Handy for anyone whose Motorola CLS series radio came with a charger that stopped working or went missing, since it delivers the exact 6V output needed without hunting down the original manufacturer part. Buy Now at Newegg

Server room admins running dual-power setups will appreciate the automatic transfer switching, which keeps equipment online if one power source fails, and it's currently $82 off list at Newegg. Buy Now at Newegg

Handy for keeping routers, cameras, or small electronics running if you've lost the original charger and need a straightforward, low-wattage replacement, and Newegg has it if you'd rather not gamble on an unbranded listing elsewhere. Buy Now at Newegg

This power supply suits engineers building medical or industrial equipment that requires certified reliability rather than consumer-grade components, since it's designed to meet the safety standards those applications demand. Newegg carries it for buyers who need a dependable, compliant option without going through a specialty industrial supplier. Buy Now at Newegg

Anyone still running an aging Snap-on Vantage Ultra EETM309 scan tool needs a reliable power source, and this adapter keeps you from hunting down a discontinued OEM cord. Buy Now at Newegg

Handy for anyone whose A&D TB-262 scale lost its original power supply, since replacing it with a compatible adapter is far cheaper than buying a new scale. Buy Now at Newegg

Anyone setting up LED strips, CCTV systems, or DIY electronics projects needs a stable multi-voltage source, and this unit covers 5V, 12V, and 24V outputs so you're not stuck buying separate supplies for each component. Newegg carries it as a straightforward option if you want the flexibility without paying for features you won't use. Buy Now at Newegg

This inlet suits RV or boat owners installing a standard shore power connection port, letting you plug in a power cord from outside instead of running one through a window or door. At $16.34, that's about $5 (23%) off the $21.11 list price. Buy Now at Amazon

Anyone whose Ault PW148-powered device has a dead or missing original adapter can use this as a direct replacement without hunting down the discontinued OEM part. It's a straightforward fix for getting older equipment running again rather than a general-purpose power supply. Buy Now at Newegg

Anyone maintaining or repairing FC series inverter systems will want this on hand, since replacing the control board directly can save you the cost and downtime of a full unit swap. Buy Now at Newegg

Handy for swapping out a dead or lost adapter on routers, speakers, and other small electronics that call for 15V, since it saves you from having to track down the exact original model. Newegg carries it as a straightforward replacement option without locking you into a specific brand. Buy Now at Newegg

Anyone building out an industrial control panel that needs dual isolated 15V outputs will find this handy for powering separate low-voltage circuits from a single unit, without needing two full power supplies. It's a niche pick suited to electricians and panel builders rather than general electronics hobbyists. Buy Now at Newegg

Newegg has the Lind Electronics 100W DC/DC Adapter for those running power-hungry laptops or equipment straight off a vehicle's electrical system, converting DC power reliably without the voltage fluctuations that can damage sensitive electronics. It suits mobile professionals, field technicians, or anyone who needs dependable in-vehicle power for demanding devices. Buy Now at Newegg

Charging cables for portable DVD players tend to disappear or fray first, so this adapter is a straightforward way to keep an older Sony DVP-FX921 or DVP-FX1 running without hunting for a discontinued factory replacement. Buy Now at Newegg

Handy for a desk or entertainment center where outlets are scarce, this tower-style strip adds surge protection plus a built-in wireless charger so you're not juggling extra cables. It's $6 off the $40 list price. Buy Now at Amazon

Anyone building or repairing medical equipment needs a power supply that meets strict safety certifications, and the Cosel LDC15F-2 is designed specifically for that kind of regulated environment rather than general electronics use. Buy Now at Newegg