BESTEK 500W Power Inverter DC 12V to 110V AC Converter
BESTEK 500W Power Inverter DC 12V to 110V AC Converter


BESTEK MRI5011BU 500W DC 12V to 110V Power Adapter Alligator Clip Power Adapter 4.8A Dual USB Car Charger ETL Feet

Best 500W inverter

Whether you're at home, on the go, or on the go, you can count on BESTEK's portable power and backup solutions to keep your traveler essentials running on the go. This keeps you safe, productive and entertained anytime, anywhere.

The 500W AC Power Adapter with Dual USB Charging Ports is specially designed for all major brands of laptops and digital connectors such as camcorders, digital cameras, iPad, iPod, cell phones, PSP, DVD players and more.

Sturdy aluminum alloy body

The BESTEK inverter housing is made of aluminum alloy, which is durable and can withstand various harsh environments and protect the internal components.

Multiple protection

Multiple protections including input over/low protection, output short circuit, overload, overcurrent, over temperature protection, fully isolated voltage protection, built-in 2*40A fuse to protect your equipment.

USB fast charging

With two smart USB charging ports, you can automatically detect your device and provide the most suitable charging current for the charging speed.

Method 1: Register with the crocodile wallet

This connector can give you a maximum output of 500W at 110V AC. When your car battery voltage drops below 11V, it will trigger an under voltage protection to avoid draining your car battery.

Method 2: Plug in the cigarette lighter socket

This connection method can give you a maximum of 150 watts and generate 110 volts AC. Why the power is less than 150 watts? Since the circuit limit of most car cigarette lighter fuses is less than 10A, the maximum output AC power of the inverter is about 150W when the maximum DC input voltage reaches 15V. (P = U * I) If you need more power, please connect the inverter directly to the car battery using the two terminals.

replaceable external valve

Built-in 2 * 40A replaceable fuse to protect your device from overcurrent and overcharging. 2 replacement fuses 40A are included in the scope of delivery.


  • BESTEK Power Adapters: America's #1 power adapter brand. It offers 500 watts of DC-AC power and 1,000 watts of maximum power, with two AC outlets and two USB ports for fast charging.
  • Powerful Charging: 2 110V AC outlets to power larger devices such as laptops, tablets or other home appliances under 500W and 2 smart USB ports (0-2.4A). Perfect for camping, outdoor activities or car trips.
  • Multiple Protection: Built-in 2 x 40A fuse to protect your device and battery. Safe charging technology provides protection against overheating, overvoltage, overcharging and short circuits.
  • Quiet Fan: The smart fan rotates at different speeds automatically depending on the power load and temperature. This design helps reduce fan noise, and the high-speed fan protects the UPS from overheating.
  • PLUS: Comes with a car cigarette lighter socket (27.5") and a pair of crocodile leather battery clips (24"), convenient for inserting a cigarette lighter or connecting a 12V battery, 2 spare 40A fuses. 18-month warranty and 24 hour / 7 day friendly service.

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