Power Management Deals

At Amazon, get the Bestek 2000W Pure Sine Wave Power Inverter for $112. It's the best price we could find by $61. It includes a pure sine wave output, 3 AC outlets, a USB-C port, and a wired remote control for added convenience. Buy Now at Amazon

Use promo code "29USAFFSS" to drop the price. That's a total savings of more than $300. This Renogy 2000W pure sine wave inverter is $196 off its regular price of $482.  Buy Now at AliExpress

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

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

Pabulum isn't a widely recognized brand in this space, but a jump starter and air compressor combo that handles both dead batteries and flat tires in one unit is a practical thing to keep in a trunk. At $46, that's $73 off the $119 list price. Buy Now at Walmart

Covers over 150 countries with a single adapter and includes multiple USB ports alongside the universal AC outlet, which makes it a reasonable pick for frequent international travelers who want one less thing to think about when packing. Buy Now at Newegg

Avapow's 6,000A peak current rating puts this well above the typical consumer jump starter, making it a reasonable pick for anyone who needs to jump-start larger vehicles like trucks or SUVs, or wants a unit that can handle repeated use without draining. At $76, it's $84 off the $160 list price. Buy Now at Walmart

Avapow's combo unit handles both dead batteries and tire inflation, which makes it a practical trunk item for anyone who wants one tool covering two roadside scenarios. At $46, it's $44 off the $90 list price. Buy Now at Walmart

Useful if you're running 24V DC equipment, LED systems, or automation components that need a stable, higher-amperage power source without relying on batteries. Buy Now at Newegg

Useful for anyone running 24V accessories or equipment off a 12V vehicle electrical system, like a car or boat, without needing a separate battery or power source. Buy Now at Newegg

Bench power supply modules like this are commonly used by electronics hobbyists, repair technicians, and engineers who need precise voltage and current control without paying for a fully enclosed bench unit. Buy Now at Newegg

Useful if you're running sensitive electronics like medical equipment, audio gear, or anything with a motor off a 12V battery, since pure sine wave output won't cause the interference or damage that modified sine wave inverters sometimes do. 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

Useful for frequent international travelers who need a single adapter that works across multiple regions, rather than carrying a country-specific plug for each destination. 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

Useful for electronics hobbyists, students, or anyone who needs a stable DC power source for testing circuits, powering small projects, or running 12V accessories on a bench without relying on batteries. Buy Now at Newegg

Useful for anyone doing custom electronics projects or vehicle installs who needs to pull clean 5V USB power from a higher-voltage source like a car battery or DC power supply. Buy Now at Newegg

A practical buy if your Apple TV has died due to a power issue and you'd rather repair it than replace the whole unit — this board targets a common failure point in older Apple TV models. Buy Now at Newegg