ERAYAK 400W Power Inverter — 12V to 120V Car Adapter, 2 AC Outlets & 18W USB-C Fast Charge, Compact TANK-400

The ERAYAK 400W Power Inverter converts your vehicle's 12V DC into reliable 120V AC power with dual outlets, fast USB-C charging, and multi-layer protection for road trips and emergency backup.

If you need dependable power away from household outlets, the ERAYAK TANK-400 is built to run laptops, small appliances, chargers and more from your car, truck or RV. Compact and lightweight, it pairs two AC sockets with dual 3.1A USB-A ports and an 18W USB-C PD port while protecting both your vehicle and devices with a robust safety system.

How much power can this inverter actually deliver?

The TANK-400 supplies 400 watts of continuous output and can handle surges up to 800 watts for short periods to accommodate device start-up demands. That makes it suitable for electronics, small kitchen gadgets and many personal care appliances when used within its rated limits.

• 400W continuous output for steady device operation
• 800W peak surge capacity for temporary startup loads
• Two AC outlets to power multiple devices simultaneously
• 18W USB-C PD and dual 3.1A USB-A for fast device charging

What safety features protect my car and devices?

ERAYAK built the TANK-400 with layered protections to guard against electrical faults and overheating. It includes fuses, automatic thermal control, and protection circuits that shut down the unit under dangerous conditions to prevent damage to both the inverter and connected equipment.

• Multi-fuse design with two 25A main fuses and spare fuses included
• Dedicated 10A and 20A fuses for cigarette-lighter socket use
• Short-circuit, low-voltage, over-voltage, over-temperature and overload protections
• Automatic fan that adjusts speed based on internal temperature

How portable and easy to use is the ERAYAK inverter on trips?

The unit is deliberately compact and lightweight so you can stash it in a glovebox, backpack or cargo area without adding bulk. Connections are straightforward: plug into a 12V socket or wire directly using the included clamps (when available) and you’re ready to power devices immediately.

• Measures 7.3 x 4.2 x 1.1 inches, weighs about 1.2 lbs
• Two AC outlets plus 3 USB ports for diverse device compatibility
• Quiet, efficient cooling minimizes fan noise during operation
• Spare fuses included for quick roadside replacement

What can I realistically power with this inverter during camping or emergencies?

Designed for mobile and temporary power needs, the TANK-400 can run laptops, phone/tablet chargers, small fans, LED makeup mirrors, certain power tools and personal grooming devices within the 400W limit. It’s a practical option for charging essentials, keeping devices operational during travel, and supplying short-term power for small appliances.

• Laptops, tablets, smartphones and USB-powered accessories
• Small appliances like heated blankets, curling irons, and LED lights (check wattage)
• Low-power tools and pumps with starting wattage under the surge limit
• Breast pumps and medical-adjacent devices that fit power specifications

Who is this for? The ERAYAK 400W Power Inverter is aimed at drivers, campers, and remote workers who need a compact, protected way to run or charge devices from their vehicle. It suits anyone who values a lightweight, quiet inverter with multiple charging options and a strong safety package for travel, daily commute support, or emergency backup.