Mobile Device Power
Supports compatible laptops, tablets, phones and other equipment when their actual power demand stays within the inverter and vehicle limits.
ERAYAK 400W Car Power Inverter, 12V DC to 110V AC Converter with USB-C Charging
ERAYAK 400W Car Power Inverter, 12V DC to 110V AC Converter with USB-C Charging
Sale price$59.00 USD
Regular price$89.00 USD
This 400W power inverter converts 12V DC to 110V AC and features USB-C charging. Customers praised it as a "must have" for car travel, camping, and emergencies. Shoppers successfully powered laptops, phones, tablets, small TVs, fans, and nebulizers. The compact design, battery clamps, and safety features were highlighted. Great value for money.
- A must have in any car! Game changer!
- Works great! Great value for the money!
- Great, reliable companion for any adventure.
Outlets (positive)Charger (positive)Charging (positive)Camping (positive)Laptop (positive)
D
Works great! I don’t have an outlet in the back of my truck to charge anything and this works great! Just plug it in to the 12v outlet and you have instant 110 outlets! Great value for the money! Nice find! Not huge! Comes with battery clamps as well! Nice design!
S
Works great for powering small items such as lights, laptops, small fans, TVs, phones, and anything that requires less than 400 watts.
M
This inverter is a must have for frequent car travelers. We use it to charge our laptops while on road trips. It works great!
T
This was a must have in any car! For Charging phones, laptops, tablets & even nebulizer machine. Emergencies yes. Even good for electric small coolers. Being stuck in traffic with no electricity etc. Game changer! Oh and great gift if needed!
D
This is a extremly useful product and great to charge laptop in the car.
A
I recently tried this power inverter on a camping trip, and I’m honestly impressed by how handy it turned out to be. It effortlessly powered my laptop and charged my phone with the USB-C fast charger, which was a lifesaver when I needed to work and keep my devices running. The two AC outlets were perfect for running small appliances, and the dual USB ports allowed me to charge multiple devices at once. The compact design made it easy to pack, and I loved the peace of mind the built-in safety features provided. Whether you're on a road trip, camping, or just need backup power in an emergency, this inverter is a great, reliable companion for any adventure.
ERAYAK TANK-400
Portable AC Power for the Road 400W Continuous · 800W Peak
Convert 12V DC vehicle power into 120V AC output, with dual AC outlets, two USB-A ports and one 18W USB-C port in a compact 1.2 lb design.
400WContinuous output
800WPeak power
12V DCVehicle input
120V ACOutput voltage
1.2 lbPortable weight
Flexible Output
AC Power and USB Charging in One Unit
Connect compatible AC and USB devices while keeping the total running load and startup demand within the inverter’s ratings.
Five Ways to Connect
Use the dual AC outlets for compatible 120V equipment and the USB ports for direct charging.
2× ACUS-standard 120V AC outlets
2× USB-A5V output, 3.1A maximum shared total
18W USB-COne fast-charge port for compatible devices
400W / 800WContinuous and peak output ratings
Power Within Reach
Compact enough for a glove box, backpack or center console so AC and USB power can travel with you.
Backup for Compatible Gear
Useful for charging and powering compatible equipment during road trips, mobile work and temporary power interruptions.
Protection & Cooling
Replaceable Fuses and Temperature-Aware Cooling
The fuse inventory protects both sides of the power connection, while the smart fan adjusts according to temperature to manage heat and noise.
2×25A Installed FusesUser-replaceable inverter fuses installed in the unit.
2×25A Spare FusesMatching replacement fuses included in the package.
2×20A Plug FusesIncluded for the 12V adapter fuse system.
2×10A Plug FusesAdditional included 12V adapter fuse option.
Smart Cooling FanAdjusts fan speed according to operating temperature.
Automatic ProtectionIncludes overload, overheat, voltage and short-circuit response.
Lightweight Design
Listed weight is 1.2 lb, equivalent to 545 g.
Compact Length
Overall dimensions are 7.3 × 4.2 × 1.1 inches.
Cooling That Responds
Fan speed adjusts with temperature to balance cooling and operating noise.
Specifications & Package
TANK-400 Product Details
Core product specifications and included items for installation, replacement and everyday use.
What’s in the Box
- 1× ERAYAK TANK-400 car power inverter
- 2×25A installed fuses
- 2×25A spare fuses
- 2×20A fuses for the 12V adapter
- 2×10A fuses for the 12V adapter
- 1× user manual
Before Connecting Equipment
- Check the device’s running wattage.
- Confirm startup or heating-element demand.
- Keep continuous demand within 400W.
- Confirm the vehicle outlet and fuse are rated for the required load.
- Use only the specified replacement fuse type and rating.
| Model | ERAYAK TANK-400 car power inverter |
|---|---|
| Input | 12V DC |
| Output | 120V AC |
| Power | 400W continuous / 800W peak |
| AC Outlets | 2× US-standard outlets |
| USB-A | 2× ports, 5V / 3.1A maximum total |
| USB-C | 1× 18W fast-charge port |
| Cooling | Auto-regulating smart fan |
| Dimensions | 7.3 × 4.2 × 1.1 inches |
| Weight | 1.2 lb / 545 g |
| Protection | Overheat, short-circuit, low-voltage, overvoltage, overload and temperature-based automatic shutoff |
| Warranty | 3 years |
Vehicle Power & Load Safety
A vehicle’s 12V accessory outlet and fuse may be rated below the inverter’s maximum output. The vehicle limit remains the controlling limit.
- Check the vehicle manual and 12V outlet fuse rating before connecting high-wattage equipment.
- Do not assume every vehicle accessory outlet can supply the full 400W continuous output.
- Keep ventilation openings clear and use the inverter in a dry, well-ventilated location.
- Check both running wattage and startup demand before connecting a tool, compressor or heated appliance.
- Disconnect the inverter before replacing a fuse, and use only the specified fuse rating.
- Do not rely on the inverter as the sole power source for medical-critical equipment.
Buyer Questions
TANK-400 FAQ
Important checks before using the inverter with a vehicle outlet or connected device.
Can every vehicle 12V outlet deliver 400W?
No. Vehicle accessory outlets and their fuses have model-specific current limits. Check the vehicle manual and outlet rating; use the lower of the vehicle limit and inverter rating.
What is the difference between 400W and 800W?
400W is the stated continuous output rating. 800W is the stated peak rating for short-duration startup demand. Connected equipment must remain within both limits.
Can it power a heated blanket, curling iron or power tool?
Only if the device’s actual running wattage and startup demand fit both the inverter and vehicle outlet limits. Heated appliances and tools vary widely, so check the product label before use.
How much USB charging is available?
The two USB-A ports provide up to 3.1A maximum total. The separate USB-C port is rated at 18W for compatible devices.
How does the smart fan work?
The fan automatically adjusts its speed according to operating temperature, helping manage heat while reducing unnecessary fan noise.
Which replacement fuses are included?
The package lists two spare 25A inverter fuses, plus two 20A and two 10A fuses for the 12V adapter. Two 25A fuses are installed in the inverter.
Three-Year Warranty Support
The TANK-400 is listed with a 3-year warranty. Coverage remains subject to the applicable warranty terms, product condition and purchase channel.
3 Year Warranty