Power Management Deals

At Amazon, get the Ecarke 220W Portable Power Inverter for Milwaukee 18V Battery for $22.49 when you clip the coupon on the product page. It's the best price Amazon has charged for this model. This compact inverter weighs under 1 lb and converts Milwaukee 18V battery power to 110V AC, with one AC outlet, two USB-A ports, and a 20W USB-C port for charging multiple devices at once. A built-in 200-lumen LED work light with three brightness levels and an SOS strobe mode adds utility for job sites or emergencies. Buy Now at Amazon

Amazon offers the Ecarke 200W Portable Power Inverter for $21. That's $9 less than what it's typically listed at. Shipping is free for Prime members. Buy Now at Amazon

The Hompow 4,000A Jump Starter doubles as a power bank, so it can start a dead battery and charge your devices from the same unit, which makes it useful to keep in your car year-round. At $70, it's $70 off the $140 list price. Buy Now at Walmart

A DIN-rail mount makes this a cleaner fit for panel installations compared to a wall-mount unit, and 60W at 24V covers a range of industrial automation equipment, PLCs, and sensors without needing an external adapter. Buy Now at Amazon

Audew's 3,000A peak current rating puts this in the range of jump starters capable of handling larger engines, including diesel trucks, making it a practical tool to keep in your vehicle if you ever deal with dead batteries in extreme temperatures or remote areas. At $48, it's $42 off the $90 list price. Buy Now at Walmart

Useful for digitizing old VHS tapes, camcorder footage, or any analog video source to save as files on your computer, and currently priced $4 below the list price. Buy Now at Amazon

The Kzreect 220W Power Inverter plugs into a Milwaukee M18 battery to give you a standard AC outlet wherever you're working, which is useful for running small tools or charging devices away from a power source. At $27, that's $7 off the $34 list price. Buy Now at Walmart

Useful for anyone running 12V accessories in a vehicle or system that operates on a higher voltage, as it steps down the input to a stable 15A output without the energy loss you'd get from a resistor-based solution. Buy Now at Newegg

Handy for electronics hobbyists and DIY builders who need to drop voltage from a higher source down to a stable 5V, which suits powering microcontrollers, Raspberry Pi boards, or other low-voltage components in a custom circuit. Buy Now at Newegg

Avapow's jump starter doubles as a 150-PSI air compressor, so you're getting two tools in one unit that handles both dead batteries and flat tires without needing a separate pump. At $100, that's $96 off the $196 list price. Buy Now at Walmart

Compact enough to keep in your glove box, this jump starter delivers 5,000A peak current, which is more than enough to start most gas and diesel engines without needing another vehicle. At $50, it's $40 off the $90 list price. Buy Now at Walmart

Costco has the KT1 4,000A 150-PSI Jump Starter and Air Compressor for $52, which combines a portable jump starter with a built-in tire inflator in one unit. That's $168 off the $220 list price, or about 76% off, making it one of the steeper discounts we've seen on a combo unit like this. Buy Now at Walmart

A jump starter and air compressor in one unit is a practical combination for anyone who wants a single tool covering both dead batteries and low tires, whether kept in a car or stored in a garage. At $100, that's $33 off the $133 list price. Buy Now at Walmart

Designed for people who need to power a laptop or device from a vehicle's DC power source, like in a fleet vehicle, emergency services rig, or any mobile work setup where AC outlets aren't available. Buy Now at Newegg

Designed for people who need to power a laptop or device from a vehicle's DC power source, like in a fleet vehicle, emergency services rig, or any mobile work setup where AC outlets aren't available. Buy Now at Newegg

Useful if you're running low-voltage DC equipment, like security cameras or doorbells, that needs a dedicated step-down transformer rather than a wall adapter. Buy Now at Newegg

Designed for anyone who wants to cut power to a vehicle's battery remotely, whether for security, storage, or preventing parasitic drain, this switch lets you disconnect without opening the hood. At $26, that's $8 off the $33 list price. Buy Now at Walmart

The Dyeetic combines a jump starter and a tire inflator in one unit, which is useful if you want a single piece of emergency gear in your car rather than two separate devices. At $60, it's half the $120 list price. Buy Now at Walmart