2000W Pure Sine Wave Car Inverter DC12V 24V 48V 60V 72V to AC220V 110V High‑Power Home Battery Inverter

Product Overview

The L2000I is a 2,000 W pure sine wave inverter that turns 12 V, 24 V or 48 V battery power into 110 VAC or 220 VAC for campervans, boats, off-grid cabins, service vans and small workshops. It holds 2,000 W continuously and reaches 4,000 W for up to 5 ms when a compressor, pump or power tool starts, so a system can carry a steady base load and still survive the moment a motor kicks in.

Most buyers arrive at this class after outgrowing a smaller 12v dc power inverter, or after a modified sine unit has run hot on a fridge or a bench grinder. Distortion stays under 3%, so motors run cooler, chargers and power supplies behave, and audio or test equipment does not pick up the buzz a square-wave output leaves behind.

This is a component, not a plug-in accessory. It mounts to a bulkhead or a bench, connects to the battery bank through a fuse and a disconnect, and feeds a small distribution panel or a set of outlets. Six standard builds cover 12 V, 24 V and 48 V inputs with either 110 VAC or 220 VAC output at 50 Hz or 60 Hz, and where a project needs something outside that set the DC input, the AC output and the socket type can be built to order.

Upfitters, marine electricians, off-grid installers and power-conversion distributors use it where the specification has to hold in the field. As a power inverter manufacturer with its own R&D platform and pilot line in Nanjing, Lincoren builds and tests these units in-house, so wiring and sizing questions are answered by the people who designed the board.

Power Class & Output Quality

• 2,000 W that holds, hour after hour. The continuous figure is the one to plan around: a fridge cycling, cabin lights, a laptop dock and a kettle can share the same bank as long as the steady draw stays inside it.
• 4,000 W of headroom for the first 5 ms. Compressors, pumps, bench grinders and microwave transformers pull several times their running current at start-up, and that short window is what gets them turning instead of tripping the unit.
• Soft start on the output. Voltage ramps up instead of hitting the load at full value the instant the switch closes, which cuts the chance of a start-up trip when several items are already connected.
• Fast to reach operating output. Output is available within a moment of switching on, so a fridge or a router does not sit through a long boot sequence every time the inverter is energised.
• Pure sine, distortion under 3%. Inductive loads draw a smooth current, motors and pumps run cooler, and sensitive electronics see a waveform close to mains.
• Steady under changing loads. Voltage and frequency stay regulated as appliances switch on and off, so a freezer compressor starting does not make the cabin lights flicker.
• Where the peak figure stops. Five milliseconds covers a start, not a sustained overload. A load that stays above the continuous rating will eventually take a 12v dc power inverter of this class into overload shutdown, however healthy the surge rating looks on paper.
• When 2,000 W is the wrong size. An electric heater, an induction hob or a large air conditioner running alongside everything else will sit at the ceiling of this class; either run those loads one at a time or talk to us about a larger configuration before you order.

Battery Bank & Input Voltage

Match the build to the bank, not the other way round. The 12 V, 24 V and 48 V versions do exactly the same work at very different currents. At a full 2,000 W, a 12v dc power inverter pulls roughly 170 A before conversion losses, the 24 V build about 85 A and the 48 V build about 42 A. That difference decides cable gauge, fuse rating, connector size and how much voltage you lose over a long run, which is why boats and larger cabins usually move up to 48 V while small camper systems stay at 12 V.

Every input window follows a charging bank. Each model accepts a range wide enough to cover a pack rising through absorption and settling back to float, so the inverter keeps working through a normal charge cycle instead of cutting out at the top of it. The low-voltage alarm and cut-off sit below that window: they warn the operator first, then protect the bank from being drained flat, because a ruined battery bank costs far more than the inverter.

Runtime is a battery question, not an inverter question. Work it out as usable amp-hours multiplied by nominal voltage and divided by load watts, then add a margin for losses and for the fact that most lead-acid banks should not be taken far below half. If the figure looks tight, a larger bank almost always serves better than a larger inverter.

Banks outside the standard set. Not every project runs 12 V, 24 V or 48 V. Traction packs at 36 V, 60 V or 72 V and industrial banks at 96 V or 110 V are built to order: send the nominal voltage and the voltage the pack reaches at full charge, and the input stage is matched to it.

Electrical Specifications

Protection & Fault Recovery

• Low battery. The red LED lights and the buzzer sounds while the unit is still running; if the bank keeps falling, output stops and the unit restarts by itself once the voltage comes back.
• Over-voltage. The red LED comes on and the unit recovers automatically when the input returns to its normal window, so a temporary rise from a charge source does not need a manual reset.
• Overload. The red LED lights and the unit shuts down, staying off until the excess load is removed and the unit is restarted. That manual step is deliberate: it stops the unit from cycling against a fault all afternoon.
• Over-temperature. Output stops until the case cools and then returns on its own. The fan is driven by both temperature and power, so it only spins up when the case or the load asks for it rather than running constantly.
• Short circuit. The unit recovers within about a second; if the fault is still present it shuts down and waits for a restart, which keeps a damaged cable from being re-energised again and again.
• Over-current on the output. Output current is monitored continuously, so a fault on the AC side trips the unit before the load or the DC side is damaged.
• Reverse polarity. The built-in fuse takes the hit and blows. Check polarity twice before the first connection and keep the fuse reachable, because replacing a fuse is a very different cost from replacing a board.
• One panel, one language. Every condition shows on the same LED and buzzer, so an operator who has seen a low-battery warning once can read the next event without a manual.

Installation & Commissioning

1. Pick the mounting position first: dry, out of spray, close enough to the bank to keep DC cables short, with clear space at the fan end so air can move through the case.
2. Isolate the DC power supply before any cable work — open the battery disconnect and pull the fuse.
3. Fit a fuse and a disconnect on the positive cable, rated for the current the chosen bank voltage draws at full load.
4. Use cable gauge matched to that current and to the length of the run, crimp proper terminals and torque them down; loose terminals are the most common cause of a hot cable and a tripped unit.
5. Check polarity at the terminals twice, then connect. Reverse polarity blows the internal fuse, and no amount of care afterwards undoes that first connection.
6. Mount the DC to AC power inverter on a flat surface with the terminals reachable for service, and keep it out of the battery box itself — charging fumes and the unit's own heat do not belong in the same sealed space.
7. Power up with no load and confirm output voltage and frequency with a meter before anything is plugged in.
8. Add loads one at a time, finishing with the largest motor or compressor, and watch the fan and case temperature over the first hour of running.
9. Label the circuit and note the build on the unit — input voltage, output voltage and frequency — so the next service visit starts with facts rather than a guess.

Mechanical & Environmental Data

Ordering & Confirmation

1. Tell us the bank: nominal voltage and the voltage your charger takes it to. If you are replacing a 12 V DC power inverter, check that the new build matches the pack rather than the old label.
2. Tell us the AC side: 110 V or 220 V, 50 Hz or 60 Hz, and the socket type used in the destination market.
3. List the loads you intend to run, continuous and start-up, and name the biggest motor or compressor. That list is what confirms whether 2,000 W is the right class.
4. Describe the installation: an unheated workshop, a boat locker or a sealed cabinet changes the advice on mounting, ventilation and the cold-start build.
5. Confirm the made-to-order details: other DC input voltages, cable terminations, panel labelling and the language printed on the label.
6. Choose the packing: one unit or two units to a carton, plus any labelling your warehouse or your own customer needs.
7. Agree the commercial side with your sales contact — lead time, payment terms, shipping documents and sample availability — before the build is released.
8. Ask the technical questions now. As a power inverter manufacturer we would rather spend ten minutes on cable sizing than see a unit come back from the field.

Maintenance & Care

• Clean the air path the right way. Dust, carpet fibre and stowed gear over the vents are the usual reason a unit starts running hotter each season. Vacuum the vents and the fan grille instead of blowing compressed air through them, which drives dust onto the board; then put a decent load on the inverter on the first warm day and confirm the fan spins up and the case settles at a steady temperature rather than climbing.
• Give it ambient air it can actually use. The working range is –10 °C to +50 °C, and the air around the unit in an engine bay, a sealed locker or a sun-hit cabinet can sit well above the outside temperature. If the unit shuts down on over-temperature, treat that as a symptom: find the blocked vent, the missing clearance or the undersized enclosure before switching it back on.
• Take the altitude limit seriously. Operation is rated to 1,200 m. Thinner air at higher sites carries heat away less effectively, so if the installation sits above that figure, send us the load plan and we will advise on enclosure, duty or a different configuration.
• Inspect the DC side for corrosion, not just looseness. On boats and vehicles, look for green copper at the crimp, chafed insulation and white bloom around the terminals; a corroded joint on the dc power supply side adds resistance and heat long before anything trips. Isolate the bank before you touch a terminal.
• Never break the DC connection under load. Opening the battery cable while the unit is running draws an arc and sends a voltage spike through the input stage. Shut the inverter down first, then open the disconnect or pull the fuse.
• Read an overload trip as information. Note what was running at that moment, then either stagger the start-ups or move the largest load off this unit. Restarting the dc to ac power inverter into the same load simply repeats the trip and shortens the life of the output stage.
• Store and re-commission dry. Humidity is rated 20%–90% RH without condensation, and storage –30 °C to +70 °C. After a cold night and a warm day, let a unit that has been stored cold reach room temperature before powering up; before the season starts, switch on with no load, check the output with a meter, then run a moderate load so any fault shows up on the dock rather than on the trip.
• Keep spares for fleets and charter use. A spare fuse of the same rating is a low-cost safeguard, and a spare inverter on the shelf keeps a vehicle or a boat in service while one unit is inspected. Ask your sales contact what spares and service support can be bundled with your order.

Technical Support & Model Matching

Buying power-conversion hardware rarely fails on the unit itself; it fails on the match. Tell our engineers the input and output voltages, the current your load draws and how the unit will be controlled and mounted, and they will confirm the right configuration or quote a customized one. Lincoren has run its own full-power R&D platform and pilot base in Nanjing since 2010, so selection, wiring and commissioning questions go to the people who designed the unit, not to a call centre. Fault diagnosis and replacement support continue after delivery.

FAQ