Aceup Energy 4000W Portable Inverter Generator (AI4000S-1)
Product Overview
The Aceup Energy AI4000S-1 portable inverter generator delivers dependable power in a compact, lightweight design. With 4000 peak watts and 3200 running watts, it provides clean, stable electricity suitable for both household essentials and sensitive electronics. Designed for convenience and low noise, it’s an ideal solution for RV trips, camping, tailgating, and emergency backup power.

Powerful & Efficient Performance
- 149cc 4-stroke OHV engine
- 4000 peak watts / 3200 rated watts
- Up to 5 hours runtime at 50% load
- Fuel-efficient Eco Mode adjusts engine speed automatically
Provides consistent power for appliances, tools, and electronics.
Clean & Safe Power Output
- Inverter technology delivers stable, low-distortion power
- Safe for sensitive devices like:
- Smartphones
- Laptops
- TVs and small electronics
Ideal for both home and recreational use.
Quiet Operation
- Fully enclosed design reduces sound to approximately 55 dB
- Suitable for campgrounds, RV parks, and residential areas
Enjoy reliable power without excessive noise.

Versatile Power Options
Includes multiple outlets for different needs:
- 120V AC outlet (20A)
- RV-ready receptacle
- 12V DC (8.3A) car charging outlet
Supports a wide range of devices and applications.
Intelligent Control Panel
- Digital display tracks:
- Voltage
- Frequency (Hz)
- Runtime
- Power output
- Low oil indicator for engine protection
- Eco Mode switch for fuel savings

User-Friendly Design
- 5-in-1 control knob:
- Fuel on/off
- Engine start/stop
- Choke control
- Simplifies startup and shutdown process
- Automatic fuel shutoff reduces risk during operation
Portable & Compact
- Weighs only 50.7 lbs
- Easy to carry and transport
- Compact footprint for storage in RVs, garages, or vehicles
Expandable Power
- Parallel-ready capability
- Connect two units (parallel kit sold separately)
- Double your power output when needed
Built for Reliability
- Factory tested for quality assurance
- EPA compliant
- Backed by:
- 1-year limited warranty
- Lifetime technical support
Important Usage Notes
- Break-in period: First 25 hours under 75% load
- Drain fuel before storage longer than 30 days
- Minor fuel or oil odor is normal due to factory testing
Key Specifications
- Model: AI4000S-1
- Engine: 149cc 4-stroke OHV
- Peak Watts: 4000W
- Running Watts: 3200W
- Fuel Tank Capacity: 1.32 gallons
- Runtime: Up to 5 hours (half load)
- Noise Level: 55 dB
- Weight: 50.7 lbs
- Frequency: 60Hz

Why You’ll Love It
- Strong, reliable power output
- Quiet operation for versatile environments
- Safe for sensitive electronics
- Lightweight and portable
- RV-ready and outdoor-friendly
- Easy-to-use controls and smart monitoring
Power When You Need It Most
Whether you’re preparing for outages or heading off-grid, the Aceup Energy 4000W inverter generator offers a dependable, quiet, and efficient power solution built for modern needs.
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