Power Management Deals

Anyone whose RCA DCM305 or DCM305R modem power adapter died or went missing can use this as a straightforward replacement without hunting down the original. Buy Now at Newegg

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

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

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

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

Data center and server room operators managing high-density racks will want this for the real-time power monitoring, especially when tracking 3-phase loads across multiple circuits without eating up rack unit space. Buy Now at Newegg

Handy for road trips or job sites where you need to run laptops, small appliances, or other electronics straight from your car's battery, with a USB port that fast-charges your devices at the same time. It's currently priced at its $200 list, so no discount right now. Buy Now at Best Buy

A backup power option worth having for camping trips or outages, with the LiFePO4 battery offering more charge cycles than standard lithium-ion packs and the included 100W panel letting you recharge off-grid. It's currently $339.98, which is $89 off the $429 list price. Buy Now at Amazon

Handy for connecting a single C20 outlet to two C19-powered devices, which suits anyone managing server racks or data center equipment that needs to split power without adding another whip. Buy Now at Newegg

This inverter suits off-grid setups or RV owners running sensitive electronics, since pure sine wave output prevents the interference or damage that modified sine wave inverters can cause. It's $33 off the list price at $186.99. Buy Now at Amazon

Anyone building or repairing circuits will appreciate having two independent voltage rails, since it lets you power separate parts of a project at different voltages without needing a second unit. Buy Now at Newegg

Industrial setups running 24V equipment benefit most here, since this supply delivers a steady 5A of clean power without the voltage drift that trips up sensitive control systems. Newegg carries it if you're building out a panel and need a reliable component rather than a budget guess. Buy Now at Newegg

For anyone still running a Micron/MPC Transport XT or XT2, this adapter is a straightforward way to replace a lost or worn-out charger without hunting down the original manufacturer's part. Buy Now at Newegg

Anyone whose Geekom Mini Air12 power adapter has died or gone missing can grab this as a direct replacement without hunting down the original manufacturer's part. Buy Now at Newegg

Anyone who's misplaced the original charger for a Series 7 shaver can swap this in without hunting down a pricier Braun-branded replacement, and Newegg has it at a straightforward price point. Buy Now at Newegg

Anyone whose JVC EM32T or EM37T monitor lost its original power adapter can swap in this replacement without hunting down a discontinued OEM part. Buy Now at Newegg

Data center techs and network admins swapping out failed power supplies will want this on hand, since Juniper's proprietary hardware doesn't leave room for generic substitutes. Newegg's listing makes it easy to source a legitimate replacement without waiting on a special order. Buy Now at Newegg

Anyone running a Dolphin robotic pool cleaner and wanting app-based control or scheduling will need this power supply, since it's what connects the robot to WiFi. It's priced at $300, matching the current list price with no discount right now. Buy Now at Best Buy