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300W Car Power Inverter, DC 12V to 110V AC Car Plug Adapter, 30W USB-C &18W USB-A Fast Charging with AC Power Outlet, Car Cigarette Lighter Adapter, Portable Car Charger for Laptop on Road Trip

  • Based on 38 reviews
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Availability: Only 1 left in stock, order soon!
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Arrives Aug 10 – Aug 13
Order within 22 hours and 43 minutes
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Features

  • [Compact 300W Power Inverter] ZELMT 300W car power inverter features a compact and lightweight design,easily toss it in the glove box or center console. It comes with 2 AC outlets, 1 USB-C port (max 30W) and 1 USB-A port (max 18W), so you can power up multiple devices at once. Perfect for your road trips, camping, or just keeping devices juiced on long drives. No more dead batteries! Just plug and go. Pro Tip: When powering devices over 180W, use the battery clips.
  • [Safe and Reliable] This car power inverter converts 12V to 110V, packed with built-in safety nets: overload, short circuit, overheat, and low voltage protection. Your devices and vehicle stay safe and sound! These protection features make the high-power inverter rock-solid in performance, keeping your gadgets protected and running strong for the long haul. Whether you're hitting the road for a long trip or just daily driving, it's got your back with safe and steady power.
  • [Multi-Port Fast Charging] This car power inverter features fast charging PD 30W USB-C and 18W USB-A ports, enabling quick charging for phones and electronic devices (max total output 3A). The AC outlet is suitable for powering laptops and small appliances. With high power output and fast charging capabilities, this car cigarette lighter adapter inverter serves as an essential accessory for family travel, camping, daily use, or emergency situations.
  • [Smart Silent Fan] Car power adapter features a built-in automatic temperature-controlled cooling fan that activates when vehicle temperature gets too high. The fan automatically adjusts speed based on ambient temperature, ensuring the power inverter maintains optimal performance in any situation while reducing fan noise.
  • [Plug-and-Play Versatile Use] ZELMT 300W power inverter simply plugs into car power outlet for immediate use, requiring no complex installation. Quickly charge phones, cameras, laptops, tablets, and other digital devices anytime for emergency situations, while powering equipment such as breast pumps, nebulizers, CPAP machines, air pumps, car vacuums, and more, Say goodbye to temporary power needs!

Brand: ZELMT


Recommended Uses For Product: Vehicle


Power Source: Vehicle DC Power Socket


Wattage: 300 watts


Included Components: car power inverter, 2AC outlets, 2 USB charging ports, and cigarette lighter plug


Power Source: Vehicle DC Power Socket


Wattage: 300 watts


Voltage: 110 Volts


Input Voltage: 12 Volts (DC)


Output Power: 300 Watts


Output Voltage: 110 Volts (AC)


Peak Output Power Watts: 600


Inverter Capacity Volt-Amp: 110


Electrical Output Waveform: Modified Sine Wave


Item Dimensions L x W x H: 4.7"L x 3.2"W x 1.9"H


Item Weight: 0.2 Kilograms


Brand: ZELMT


Antenna Location: Vehicle


Built-In Media: car power inverter, 2AC outlets, 2 USB charging ports, and cigarette lighter plug


Model Number: 300W


Warranty Description: 1 year


Unit Count: 1.0 Count


Manufacturer: ZELMT


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Aug 10 – Aug 13

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Never Run Out of Power on a Road Trip Again!
This car inverter is so useful — I can’t believe I drove without one for so long! It powers my laptop just fine which is huge for me when I’m traveling for work. The USB-C and USB-A ports charge my devices really fast, way faster than a regular car charger. It’s small and compact but handles everything I throw at it without getting too hot. Great buy for anyone who spends a lot of time on the road! ... show more
Reviewed in the United States on June 11, 2026 by Emily

  • Funciona a madres
Esta bien pinché perro el producto, recomendado
Reviewed in the United States on July 12, 2026 by Christian Mercado

  • Camping trip charger
Very convenient on camping trips to charge phones, and hook up to blow up air mattress.
Reviewed in the United States on July 2, 2026 by Annette Johnson

  • Strong product
Great product reliable and easy to use.
Reviewed in the United States on July 11, 2026 by Seslyn miller

  • Best for the price paid!
Excellent inverter! Use it on the road for my laptop!
Reviewed in the United States on July 8, 2026 by Dennis Bruton

  • Totally worth it!
Used while camping. Didn't drain the battery and charged all the phones. We were in a non -electric campground.
Reviewed in the United States on May 27, 2026 by Barbara Koch

  • Compact 300W inverter with fast USB-C and USB-A, covers all your in-car charging needs
Road trips, camping, and remote work setups all get easier when you have reliable power available from your car. This 300W inverter does that job well without taking up much space. The inverter converts your car's 12V DC outlet to a standard 110V AC plug, so you can run laptops, CPAP machines, small appliances, and other devices that need a standard outlet. The 300W continuous output is enough for most everyday electronics. What sets this apart is the multi-port charging. Beyond the AC outlet, you get a 30W USB-C port and an 18W USB-A port. That means you can charge a laptop via AC, a phone via USB-C fast charge, and another device via USB-A all at the same time. That's three devices from one plug. The cooling fan runs quietly and helps prevent overheating during extended use. The LED indicator lets you know it's working. The unit is compact and fits easily in a center console or glove box. The plug fits snugly into a standard 12V car outlet without wobbling around. For road trips, van life setups, work commutes, or anyone who spends significant time in their vehicle and needs to keep devices powered, this is a practical and well-featured option. The combination of AC plus dual USB fast charging covers most real-world needs. ... show more
Reviewed in the United States on May 20, 2026 by Amazon Reviewer

  • Good
Good
Reviewed in the United States on June 5, 2026 by Jasin brito

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