








🔌 Power your adventures with confidence and control!
The JA-1 4000W Power Inverter converts 12V DC to 110/120V AC, featuring 3 AC outlets, Type-C and dual USB ports, an LCD display, and wireless remote control. Designed for RVs, off-grid solar setups, and vehicles, it offers robust safety protections, a durable aluminum case, and smart cooling for reliable, quiet operation. Perfect for powering multiple devices on the go with a 36-month warranty.









| ASIN | B0B8CB5MBZ |
| Guaranteed software updates until | unknown |
| Item model number | JXK-4000-BLACK |
| Manufacturer | JA-1 |
| Product Dimensions | 27.99 x 17.98 x 14.27 cm; 5.08 kg |
T**Y
I purchased this inverter to install in my motorhome, and it has met all my expectations. Installation was straightforward, and it’s easy to use. Its compact size makes it easy to find a good mounting spot, and with 2500W of continuous power and a 5000W peak, it provides great flexibility for powering various devices. The three AC sockets and 3.4V USB port are very convenient, allowing me to power and charge multiple devices simultaneously. The inverter handles the load well — I’ve connected both household appliances and electronics, and everything runs smoothly. The remote control and LED display are excellent features. It’s easy to monitor the inverter’s status and turn it on or off as needed, adding a lot of convenience. The unit runs quietly, with no irritating noises, even under load. I highly recommend this inverter to anyone looking for a reliable solution for their motorhome or other vehicles.
S**R
Works as advertised, not ideal for mounting vertically but so far it's taking a beating without issues in a semi. Its size is about as good as you're going to find for a 4000watt inverter. It's effortlessly handling a refrigerator, Tv, coffee maker and Microwave simultaneously. Battery cable connectors are smaller than I'd prefer but copper 2 gauge cable has gotten quite expensive. The connecting nuts are solid and haven't loosened which is great. I only wish it had 4 dedicated grounded plugs
O**Z
I recently brought this 4000-watt inverter and it was a great purchase! The power output is sturdy and reliable, and it easily runs my essential tools needing power when I’m working in the field. I am a handyman and need power constantly. The installation was easy as were the instructions. I like having the remote control, and the LED feature is perfect! It is a good, sturdy quality and having various outlets and USB ports is definitely a plus. No regrets with my purchase!
N**O
The inverter works well, but it would have been nice if the remote came with a battery since it requires such an unusual size.
S**G
I installed this inverter in my van, and it’s fantastic! It powers all my tools, including a shop vac, without any issues. The installation was easy, and the build quality is solid. With built-in safety features, I have no worries about overloading or overheating. Highly recommended for anyone needing reliable power on the go!
Trustpilot
3 weeks ago
1 month ago