Power Inverter 2000w DC 12V to AC 120V ETL UL458 Compatible with Lithium Battery for Off-Grid Solar Car RV Truck Boat with LCD Display Remote Control 2 AC Outlets Dual 2.4A USB Ports by VOLTWORKS

I bought this inverter when I changed my system configuration to 24V. My old inverter was a 12V 1500Watt Pure Sine Wave and ran about 115V. It ran most things well, but couldn't handle my large ShopVac, and even with a minor load the fans on the inverter would cycle every couple minutes. This inverter runs everything I plug into it including a ShopVac and Refrigerator simultaneously. Its output is ~120V, the voltage drops little with heavy loads. Running 1,200 watts voltage does not go below 117V and averages around 118V. The fan rarely operates, in-fact it never cycles when the continuous load is less than 150W. So for me it will run my refrigerator and be absolutely silent. Had me worried at first that the fans might not work but the unit stays cool to the touch and the fans do work. Fan only runs when the unit hits 104F, so just keep the inverter in a nominal conditioned space of <80 degrees and you are good. My tests show it meets the claimed 90% efficiency and no load current of .9A (inverter on but no load). Power when turned off was in the milliamp range. I disliked the remote and lack of information on the pin-out as I use a relay to start the inverter. To turn on the inverter you either; push the button on the unit, button on remote, or use a relay to short pins 1+2 at the RJ9 port for ONE SECOND. Shorter duration will likely fail as the unit has to come up to the proper voltage for startup. I disliked the use of an RJ9 port, this is the narrow plug used on telephone handsets. Making it "unusual" to work with. And I had to buy some RJ9 crimp plugs for my bench stock. The information on the RJ9 port pin-4 is some kind of pulse coding, almost looks like garage door coding on my scope and the pulse duration and amplitude seems to follow the load. I am simply processing it as an analog signal (milli-volts) to determine if the inverter is on or off. The handheld remote provided does work, but having that wire is like being tied to a leash. Just seems like something you would have in the 80s. Hoping to get more information from the company. Other than those few issues, I rate this inverter as Excellent. 1 Year Update: - Zero issues with this inverter for the past year. Not even an overload restart. - I use it 24/7, my daily peak is about 900Watts but on average I am drawing 280Watts from it 24/7. - Running from the inverter 24/7 are: 1 standard 17+cubic foot Refrigerator, 1 Air Cleaner, 2 PC Computers, 1 Base Station GMRS Radio, 1 Laptop, 2 End-Table Lamps and several USB charging stations. - Unit runs at 92% efficiency which is above the stated 90% efficiency. So for me if I draw 1000Watts of DC from the battery will run 920Watts of AC loads. This is great efficiency for any inverter. - The outlets are NOT GFCI (ground fault) protected. This is now a USA code issue for household inverter power, if you wish to have this feature I recommend you buy a GFCI with a pigtail plug. You plug that into the inverter and connect your loads to it. - GFCI or not make sure you ground the unit case solidly (quality connection). In addition (meaning you still need the case ground), you may want to connect the one of the inverter outlet grounds to a grid ground receptacle. DIY two male plugs and one wire, a 12AWG green wire. Just make sure both ends connect to ground or be ready for sparks and flames. - I stopped using the outlet signal from the RJ9 plug (pin 3/4) to determine on/off status of the inverter. Instead I use the 5Volt signal from the inverters USB port to determine status. (dah on me for not doing this first). And this USB method would likely work well with a small 5Volt relay. - Still using RJ9 port pin 1/2 to operate the inverter. Remember, needs to be shorted for 1 second to turn the unit on. - Picture 1 shows my rather custom and elaborate setup that may help some of you. - Picture 2 I included only for the DIY aspect of the lighted plug. Really some good benefits to using these lighted plugs... its lit so the inverter is on and electricity is at the plug. - I have an external box that my loads connect too. Inside the box I have a dual pole 16Amp supplemental circuit breaker and a contactor. The circuit breaker is as stated, supplemental. The contactor I use with a control system to transfer between inverter and grid. - This is a high frequency inverter so it is best for non-motor (non-inductive) loads, but clearly it handles my refrigerator and occasionally my shopvac without issue. However, if you plan on running something like a sump pump or AC at 1HP or more you may consider a higher rated inverter, or a similarly power rated Low Frequency Inverter. Low Frequency Inverters are bigger and cost more... But nothing beats getting the right stuff for the task you require of it. Bought a Second One My systems operates 24/7 as Off-Grid inverters do. Most of the components in my system were redundant. Multiple panels can be reconfigured, 2 charge controllers, 8 batteries etc. But the one single point of failure for me is the Inverter. So after running the first inverter for over a year with zero problems I bought a second one. Bagged up the first one and the second one has now been running flawlessly 24/7 for just over a month. The plugs were exactly the same, and it is performing exactly the same. My inspection of the unit that has been running for a year showed absolutely nothing of concern, and I was happy to see not much dust/dirt buildup on the fan or components. With electronics in general if they run for 90 days they tend to last a long time thereafter, often called a "burn-in" phase. Thinking this was another home run.... will do a third update if it proves untrue.

Works great and at a great price.

This is my second purchase of this inverter and I'm very pleased with its performance. The remote control works well, but I'd like to see the actual battery voltage displayed, not just a bar graph. I really like the soft start feature which has allowed me to run the A/C unit in my shop with it, which other inverters the same size could not do. It also has good overload protection. It works well in my little 2.4kw portable solar unit, combined with 730 watts of solar input and 2-100ah LiFePO batteries.

I've had the 3000 watt for about a year, it has done very well running things in my RV. I have been able to run my microwave, tv, and a few other things at once with no problems. I even tried it briefly running my RV Air Conditioner and it handled it but I would not recommend anyone trying it cause I was willing to fry mine as a test. Only thing i wanted improved, I wish they had a longer remote cord so I could have more flexibility in where the remote could be mounted. I bought on my own the recommended phone cord to extend the remote out more, and it was very difficult to find that cord and it didn't work for mine fir some reason. But overall a good purchase that didn't break the bank for a 3000 watts pure sine wave inverter. UPDATE: I've had it 3 years without issue until now. My RV refrigerator has had issues and it caused the inverter alarm to go off. I shut it off and disconnected the refrigerator... the problem starts here, the inverter would not reset. After turnings it off and on a second time, it blew a 12v 30amp fuse inside the inverter. Easy fix if you take it to an electronic repair place... so if yours just shuts off completely, and did not fry, it literally has car style fuses inside and can be easily fixed.

I was pleasantly surprised with my purchase. it is very high quality inverter. Only one downside is the 12v connection legs. They are too close to the body of the inverter, and if you want to use two thicker cables (see pictures) you have to do some modifications. I used original nut as a spacer and installed another nut to attach wires. Other than that it is very good heavy duty inverter. It uses about 0.75 to 1 amp (10 - 13 watts) on idle, and easy handles all of my appliances in the RV. The best thing that it has Bluetooth connection, in case if I forget to turn it off for the night I can do it from my phone without getting up from the bed.

Used for about 2 weeks, so cannot comment on longevity (but will update review later). User manual is thorough and accurate (which is rare!). I can confirm the listed DC voltage alarms and limits. The no load power draw for my unit was 0.8A. Waveform is clean on oscilloscope. Solid construction. Seller is helpful and responsive to questions. Overall, an excellent product! Some comments: - Internally, there are 4 x 30A automotive spade fuses to protect the DC side. I still added an external fuse on the positive battery terminal, but theoretically, you wouldn't need to. - The provided battery wires are probably fine for most cases, but a bit small gauge for my liking, so I created my own using 2/0 I had. Thankfully, the terminals on this inverter can accept very large barrel lugs. - The remote panel works well but design could be improved. First, it uses a RJ10 ended (4P4C) cable which is not very common (I needed a 50ft long cable and had to make it). The panel fits a 86mm x 86mm box which is also not common in North America. Finally, I wish it reported the voltage instead of 4 LED lights.

Très très satisfaite un peu gros mais pas grave. Et en plus branché sur une batterie au lithium, l’écran nous dit combien il reste de mémoire de courant

Excellent, very happy with this product.

The unit works great so far. No issues yet. Be cautious of the power requirements of whatever you are looking to run, though. Check the wattage and make sure that the unit won't be overloaded. It does have safety factors built in, but you will be disappointed if you think it can just run anything you plug into it. I only needed 2000w and it works great for that, but I have no plans on pushing that limit. Also, the inverter does not come with power cables long enough to perform most installations I've ever seen. I had to buy extra wire and connectors, but it wasn't that difficult to find what I needed and get it installed. Just some advice, don't buy cheap wire either. It's not worth the problems it could cause. Still a great deal for the quality of unit in my opinion.

Runs well running 2 lithium100 ah batterries. Defective unit was replaced pretty quickly. Support was excellent. Support was NOT from a foreign country. Recommended. Runs well. Quiet.