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🔌 Power your freedom with clean, smart energy—anywhere, anytime.
The OLTEANP 3000W Pure Sine Wave Inverter converts 12V DC to 110V AC with 3000W continuous and 6000W peak power, featuring adjustable low voltage settings for lithium batteries, 4 AC outlets, USB and 30W Type-C fast charging ports, and a 15-foot LCD remote controller. Designed for RVs, trucks, boats, and solar backup, it offers professional-grade safety protections and reliable off-grid power management.



















| ASIN | B0CP1S9G8Z |
| Antenna Location | Home, Car, Power Outage, Vehicles, Truck, Outdoors, Boat, RV, Trip |
| Best Sellers Rank | #49,933 in Automotive ( See Top 100 in Automotive ) #107 in Power Inverters |
| Brand | OLTEANP |
| Built-In Media | Power Inverter. Battery Cables, User Manual, Remote Controller |
| Color | Blue |
| Customer Reviews | 4.5 out of 5 stars 71 Reviews |
| Display Type | LCD |
| Electrical Output Waveform | Pure Sine Wave |
| Energy Specifications Met | CE |
| Frequency | 60 Hz |
| Input Voltage | 12 Volts (DC) |
| Inverter Capacity Volt-Amp | 3000 |
| Item Dimensions L x W x H | 13"L x 7.87"W x 4"H |
| Item Weight | 5 Kilograms |
| Manufacturer | OLTEANP |
| Model Name | TK-3 |
| Model Number | TK-3 |
| Number of Outlets | 4 |
| Output Power | 3000 Watts |
| Output Voltage | 120 Volts |
| Peak Output Power Watts | 6000 |
| Power Source | Solar and Battery Powered |
| Recommended Uses For Product | Home, Car, Power Outage, Vehicles, Truck, Outdoors, Boat, RV, Trip |
| Standby Power Shutoff | 90% |
| Wattage | 3000 watts |
A**N
Works great!
Installed in my RV and it works perfectly. I can run everything off battery when I'm off-grid camping, including the AC. (It runs, but I don't use it, too.much battery drain). Can run microwave, portable heater, coffee maker, without any issues. Better than my original 2000w Renogy which had trouble even running the microwave.
V**5
Powers all my appliances
We have a 700 watt microwave which did not work with our 1500 watt full sine wave. We upgraded to this one which will power it and has a nice remote switch and power indicator. I first bought one just like it at Goodwill, which did not work due to burned out capacitor, which I will use as spare parts but I liked it looks and went out to buy this one.
A**E
Second Update. Very impressed. Highly recommend the unit the manufacturer!
UPDATE 2 - April 21, 2024: All good now. My self installed inline 60amp circuit breaker on 4/0 cable feeding DC to inverter was interfering with the inverter's logic causing it to shut down after brief 1500watt microwave oven load. Breaker removed, new wire installed, microwave runs fine & long enough to cook. Battery to inverter 4/0 cable gets hot so I'm upgrading that to 1/0. Very impressed with customer service & technical support. They responded in less than 12 hours over several rounds of email with intelligent advice & guidance. Full understanding of the situation. Also very impressed with the 3000 watt inverter. I took the cover off and noted excellent build quality, four sets of two 40 amp fuses, solid component sets, assembly well done & secure. AC outlets where most of the wear/tear would occur are solidly glued in place rather than cheap tabs I've seen on other inverter units. UPDATE Apr 14, 2024: upgrading the review 2 stars as Oleantp responded with a potential solution within 12 hrs of my post. Kudos for excellent customer service. Will update further after I implement their guidance. ORIGINAL REVIEW; Oleantp, need technical support please. I recently bought & installed 3000w 2024 inverter. Connected to two new 300ah lithium ion in parallel 12v batteries. 60amp inline breaker to protect wiring etc. Batteries at 99%. Low draw led lighting etc work fine. Heavier loads like 110v microwave plugged directly into the inverter start up & begin to load the inverter. After 5 seconds the inverter shuts down. The inverter resets & comes back on as evidenced by 110v led light also directly plugged in. The microwave clock comes back on. Restart the microwave to heat & cycle repeats. I’ve tried this independently with 1100 watt, 900 watt micro wave & very small toaster oven. The inline breakers do not trip. The operating watts are well under the 3000watt rating & dramatically under the 6000watt surge rating. What’s going on here? I’d like a replacement inverter please.
M**R
Very good product
Very good and durable
G**Y
Great inverter for the price
Three years of use and still running 24/7. Great inverter for the price.
B**.
Good but
The performance of the inverter is great. It is my secondary inverter inside of my trailer. The only reason I’m leaving a three star review is the provided cables are in adequate to go to the full 3000 W. I’ve done quite a bit of electrical and I know what I’m doing, I’m going to have to crimp custom cabling for my use case which I’m going to overkill to 4/0. Don’t get me wrong. It’s a good quiet inverter, but why skimp out on the part that could be a fire hazard
J**N
Great inverter for the price.
Bought the 3000w in Dec 2026. 3 trips camping for about 1 week each trip and at home testing etc. Installed with 1/0 cable. We will never use more than 2000watts from this install. Although I did test the ability of the inverter to do 2 min of 2800watts with no problems of voltage drop. The wire length from the inverter to the 365 ah of batteries is about 5'. That includes the bus bars, shunt and cutoff switch and 300amp fuse so lots of connections. Love the remote control panel. The standby current is less than 1 amp and 0 if turned off at the remote control panel. Our MW pulls 1200watts and my Keurig coffee maker pulls about 1500. I can run both if I want to. We have had no issues with this inverter. I have two battery banks. In the pic's you see only one battery. It is a 165ah 165 amp discharge max. Other bank is 200ah with 200amps discharge capacity. Have had great performance of this unit.
B**S
The USB-C port no longer work after just a couple of days
I hooked my phone up to the USB-C port when I first got it and it did Super Fast Charging. Now when I connect it nothing happens. It appears it died that quick. Other than that it works great! I did plug it to a live outlet by accident and blew out 6 of the 8 40 amp fuses inside it. I had a hell of a time finding 40 amp fuses locally. Boy what a job! The fuses are soldered in and require at least a 140 -200 watt soldering iron to desolder them. Mine was only 100 watts so I had to use a heat gun and solder sucker to remove them. Then I had to wrap thin solder around the leads of the new ones, and use the heat gun to solder them in. It worked but its wasn't pretty. I did later remove the 30 amp fuses and install 40 amp fuses. Unbelievably I managed to blow the fuses 2 more times trying to run my house off the inverter by shutting off the main breaker and back feed through a couple of outlets to power both 120 volt rails in the circuit breaker box. I was able to get it to work however, 220 volt devices don't work. the phasing of the 220 volt runs are not right. The impressive thing is that it still works just fine, which shows how well built it is. I was able to find two circuits that allow me to power the entire house.
Trustpilot
2 days ago
1 month ago