ALLWEI Pure Sine Wave Inverter – 1000 Watt Inverter 12V DC
ALLWEI Pure Sine Wave Inverter – 1000 Watt Inverter 12V DC to 120V AC Converter for Home, RV, Truck, Off-Grid Solar Power Inverters for Vehicles, Car Power Inverters with 2 Sockets, 2000W Peak
- 【Powerful DC-AC Converter – Effortless Start】: ALLWEI 1000 watt inverter delivers continuous DC 12V to 110V/120V AC power, 2000W peak surge handles smooth load start-ups effortlessly, is suitable for inductive and capacitive loads—no more startup power struggles. Pure sine wave with maximum conversion efficiency >91%, this power inverters for vehicles minimizes conversion loss while powering RVs, trucks, off grid electrical appliance
- 【Pure Sine Wave – Device Friendly】: 1000W Pure Sine Wave Inverter provides utility-grade AC power with ultra-low no-load loss. It powers sensitive devices (CPAP, TV, laptop, power tools, projector) and appliances (coffer maker, mini fridge, fans, kettle, electric blankets) smoothly. No annoying humming, protecting equipment and extending lifespan—just like wall outlet electricity. Perfect for RVs enthusiasts, truckers, campers, van Life, solar and off-grid setups
- 【8 Fold Protection – Safe for Use】: 12V inverter with enhanced 8-Fold protection ensures safe operation and reliable performance! Includes low/high voltage, over/under temperature, overload, over-current, reverse polarity & short-circuit protection—plus buzzer alerts for instant warnings! Packed with full safety protections, these power inverters reliably power RV appliances, camping gear and home made solar set up. Ideal for road trips and remote off grid areas
- 【Auto Cool Fans – Heat Conquering】: Pure sine inverter's Intelligent cooling fans auto-adjust speed by load/temp, conquering overheating in Texas/Florida’s scorching heat. The aluminum alloy housing withstands rugged outdoor use, while the 14°F–104°F operating range ensures year-round reliability. Weighing 3.53 lb, it’s portable for short-distance camping yet robust for RV trips. Enjoy worry-free adventures—cool gear, reliable power—your ticket to stress-free off-grid living
- 【Universal 12V – Power Anywhere】: 1000 watt inverters pure sine wave is engineered for 12V batteries (vehicle start, RV auxiliary, deep-cycle), directly powers light loads (small appliances). A great setup for Rv camping or home back up power systems, in addition to vehicle mounting. This car power inverter offers versatile solutions, supporting parallel batteries and multi-battery switching for short or long-term off grid needs
ALLWEI PURE SINE WAVE INVERTER
| Add to Cart Add to Cart Add to Cart | ||||
| Customer Reviews | 4.0 out of 5 stars2 | — | 4.2 out of 5 stars37 | 3.9 out of 5 stars5 |
| Price | GBP 67.40GBP67.40 | — | GBP 112.34GBP112.34 | GBP 14.97GBP14.97 |
| Output Power | 1000W | 3000W | 2000W | / |
| Surge Power | 2000W | 6000W | 4000W | / |
| Input Voltage | 12V | 12V | 12V | / |
| Output Voltage | 110V±10% | 110V±10% | 110V±10% | / |
| With Remote Controller | ✘ | ✔ | ✔ | ✔ |
| With AC Hardwire Output | ✘ | ✔ | ✔ | ✘ |
How does the ALLWEI pure sine wave inverter construct an off-grid system?
Pair the ALLWEI pure sine wave inverter with solar panels, an MPPT controller, and deep-cycle batteries to build a stable off-grid system.
Use a high-quality MPPT controller and properly sized batteries/cables for optimal performance and reliability.
Will the inverter's fans run constantly, or do they turn off when not needed?
Intelligent auto fan system adjusts based on load and temperature: high speed at ≥500W or ≥131°F, low speed at 240W–500W or <131°F, and shuts off at ≤240W & <131°F. This balances cooling performance and low noise, ideal for indoor or camping use.
What’s the advantage of the Pure Sine Wave Inverter? Is it suitable for sensitive devices?
Pure sine wave inverters' clean power minimizes electromagnetic interference (EMI ) and motor wear, extending lifespan of motor/compressor-driven appliances (e.g., refrigerators, microwaves, air conditioners, pool pumps, electric drills).
What is the input voltage? Does it stabilize voltage fluctuations?
This inverters are suitable for 12 V Battery Banks ONLY. It converts DC 12V to 110V/120V AC, the common household power that charges and operates a widerange of electric appliances. It can auto-stabilizes voltage to protect devices from fluctuations
How to sizing a Battery Bank?
Step 1: Sum the wattages of devices operating simultaneously (e.g., 2×60W lights+300W computer = 420W).
Step 2: Use (Wattage ÷ Battery Voltage) × Runtime (e.g., 750W microwave ÷ 12V × 4 hours = 250Ah battery).
(detailed in the user manual too).
| SKU: | B0GKG3CXNF |
| Weight: | 3.5 Pounds |
| Dimensions: | 10.24"L x 3.39"W x 7.09"H |
| Brand: | ALLWEI |
| Model: | P1000-3 |
| Manufacture: | ALLWEI |
Product description

ALLWEI PURE SINE WAVE INVERTER
![]() ALLWEI 1000W | ![]() ALLWEI 3000W | ![]() ALLWEI 2000W | ![]() ALLWEI Remote Controller | |
|---|---|---|---|---|
| Customer Reviews | 4.0 out of 5 stars2 | — | 4.2 out of 5 stars37 | 3.9 out of 5 stars5 |
| Price | GBP 67.40 | — | GBP 112.34 | GBP 14.97 |
| Output Power | 1000W | 3000W | 2000W | / |
| Surge Power | 2000W | 6000W | 4000W | / |
| Input Voltage | 12V | 12V | 12V | / |
| Output Voltage | 110V±10% | 110V±10% | 110V±10% | / |
| With Remote Controller | ✘ | ✔ | ✔ | ✔ |
| With AC Hardwire Output | ✘ | ✔ | ✔ | ✘ |
How does the ALLWEI pure sine wave inverter construct an off-grid system?
Pair the ALLWEI pure sine wave inverter with solar panels, an MPPT controller, and deep-cycle batteries to build a stable off-grid system.
Use a high-quality MPPT controller and properly sized batteries/cables for optimal performance and reliability.
Will the inverter's fans run constantly, or do they turn off when not needed?
Intelligent auto fan system adjusts based on load and temperature: high speed at ≥500W or ≥131°F, low speed at 240W–500W or <131°F, and shuts off at ≤240W & <131°F. This balances cooling performance and low noise, ideal for indoor or camping use.
What’s the advantage of the Pure Sine Wave Inverter? Is it suitable for sensitive devices?
Pure sine wave inverters' clean power minimizes electromagnetic interference (EMI ) and motor wear, extending lifespan of motor/compressor-driven appliances (e.g., refrigerators, microwaves, air conditioners, pool pumps, electric drills).
What is the input voltage? Does it stabilize voltage fluctuations?
This inverters are suitable for 12 V Battery Banks ONLY. It converts DC 12V to 110V/120V AC, the common household power that charges and operates a widerange of electric appliances. It can auto-stabilizes voltage to protect devices from fluctuations
How to sizing a Battery Bank?
Step 1: Sum the wattages of devices operating simultaneously (e.g., 2×60W lights+300W computer = 420W).
Step 2: Use (Wattage ÷ Battery Voltage) × Runtime (e.g., 750W microwave ÷ 12V × 4 hours = 250Ah battery).
(detailed in the user manual too).


















































Delivers full load of 1000W continuously but noisier than expected
When I unboxed the unit, I found it to be much smaller and a lot lighter than other 1000W inverters I have used and was skeptical that it would not hold up under full load.
I decided to give it a good work-out and ran a space heater pulling just about 1000W for a full 2 hours in the 100F+ Arizona heat until my battery died. I have to say I was impressed. It got warm, but not hot during the test run.
I knocked off 1 star for the higher than expected noise factor, but I would have no problem using this where noise was not an issue.
The cables supplied with the inverter are marked 6 AWG so rated for the 80A DC it pulled from the battery. Both ends have 1/4″ ring terminals, which is too small for most LiFePO4 batteries, I re-lugged one end to a 5/16″ terminal.
The display is clear and alternates between AC output and DC input readings and includes a battery meter. The switch is a push button, I prefer toggles, but it works fine.
There is no option to hard wire the output, but that’s typical for these lower wattage units.
Pictures show the inverter from the top, back, and front. The front pics show the display in AC and DC modes.
Works Well, But the Fan Noise Can Be Annoying
The inverter works as described and has been able to handle my setup without any problems. I currently have it connected to a 12.8V 200Ah battery in my home office powering my desktop PC, laptop, three 32″ curved monitors, and an access point. So far the pure sine wave output seems clean and stable, and I haven’t had any issues with sensitive electronics.
My two complaints are both related to the cooling fan. First, the fan is louder than I expected. Second, even under lighter loads under around 175 watts, the fan still kicks on every few minutes for about 15-30 seconds. It’s not a huge deal in a garage or RV setup, but in a quiet home office it can get pretty annoying after a while.
Other than that, the inverter feels solid and runs everything reliably.