3500W - 5000W Generators

At King of Generators, we offer a premium selection of 3500W to 5000W generators from trusted brands like EcoFlow, Nature's Generator, and Acopower. These powerful yet portable units are perfect for home backup, job sites, RV trips, and outdoor events, capable of running multiple appliances or tools simultaneously. All our generators are backed by a one-year limited warranty. Additionally, our support team is always ready to assist with any questions or concerns.

If you need more than a small recreational generator but don’t require a full-home standby system, this range delivers reliable, on-demand energy for any situation. Check out the collection below!  

Our Product Category

Portable Power Stations

Our Portable Power Station collection offers modern, eco-friendly alternatives to traditional gas generators, providing clean, quiet, and reliable power. One of the leading examples is EcoFlow DELTA Pro 3, which delivers 4000W continuous power (8000W surge) with a 4096Wh capacity. These units are expandable with additional batteries and support charging via solar, AC, or EV charging stations, with ultra-fast charging and smart home integration. The EcoFlow DELTA 3 Series comes in multiple configurations, including the DELTA 3 (1024Wh, 1800W) and DELTA 3 Plus (1500W, expandable), perfect for powering essential appliances during outages. ACOPOWER P5000 offers a large 5120Wh capacity and 2200W continuous output, ideal for home backup or outdoor adventures, with multiple charging options and a durable design. For industrial and construction needs, ACOPOWER Industrial Power Stations (IP-3526 and IP-3556) provide 2600Wh and 5600Wh capacities, rugged construction, and weather resistance to withstand harsh working conditions.

Smart and Dual Fuel Generators

Our Smart and Dual Fuel Generators provide flexible, reliable power for both home and off-grid applications. The EcoFlow Smart Generator 4000 (Dual Fuel) delivers 4000W of power and can run on either gasoline or propane for maximum versatility. It integrates seamlessly with EcoFlow power stations like the DELTA Pro, automatically detecting low battery levels and starting to recharge, creating an efficient hybrid system. This combination of long-lasting fuel power and clean, quiet battery energy ensures uninterrupted electricity for emergencies, outdoor projects, or off-grid living.

Wind Turbine Generators

A sustainable addition to any hybrid or complete power system, wind turbine generators use the power of the wind to produce electricity. These generators are especially effective in windy locations, providing a consistent and renewable energy source that complements solar panels and battery storage.  We have top-tier options from Nature's Generator, including the Elite Platinum WE System, Lithium 1800 Gold WE, and Lithium 1800 Platinum WE. These systems combine wind and solar charging capabilities to deliver reliable, on-demand power, ensuring maximum energy independence for home backup, off-grid living, or extended outdoor use.

Additional Product Range

Solar & Hybrid Kits 

Our Solar & Hybrid Kits are designed to provide reliable off-grid power for RVs, cabins, and homes, and to serve as emergency backup, while helping reduce your carbon footprint. These bundles include high-capacity LiFePO₄ batteries, powerful inverters, and efficient solar panels to deliver a complete, ready-to-use energy solution. For example, the Sungold Power Off-Grid Solar Kit features a 4000W pure sine wave inverter, a 5120Wh battery, and 1200W of monocrystalline solar panels with MC4 connections, offering dependable, clean, and quiet power for any situation. 

Expansion / Extra Batteries

Products like the EcoFlow DELTA Pro 3 Smart Extra Battery (4096Wh capacity) and EcoFlow DELTA Pro Smart Extra Battery (3600Wh capacity) let you easily double or triple your power station's capacity. The Nature's Generator Powerhouse Lithium Power Pod provides additional 3200Wh storage for Nature's Generator systems. These are perfect for extending your backup power runtime without buying a whole new system.

Explore our full range of 3500W–5000W generators, portable power stations, and hybrid energy systems for home, off-grid, or industrial use. Shop now for reliable, on-demand power backed by our warranty and expert support!

FAQ’s

Are these generators compatible with solar panels?

Yes, many models like EcoFlow DELTA Pro and Nature’s Generator systems support solar charging. You can view compatible solar options on our website. Harness clean, quiet, and reliable energy for off-grid setups, RVs, or to reduce electricity costs at home.

Can I expand the battery capacity or add extra storage to these systems?

Absolutely. Models like EcoFlow DELTA Pro 3 allow expansion with Smart Extra Batteries. You can double or triple the capacity for longer runtimes. Check the full selection of compatible batteries and expansion options on our website for easy upgrades without replacing your entire system.

What brands or models support off-grid applications?

EcoFlow DELTA Pro, ACOPOWER, and Nature’s Generator hybrid systems are ideal for off-grid living. They support solar and wind charging for reliable, independent power. Explore our website to find off-grid-ready models perfect for cabins, RVs, remote sites, and emergency backup power.

What type of batteries do these portable power stations use?

Most modern units use LiFePO₄ (Lithium Iron Phosphate) batteries for long life, safety, and efficiency. They provide 3,000+ charge cycles and stable performance. Learn more about battery types and options available on our website for reliable, long-lasting power solutions.

Do these generators support dual fuel (gasoline/propane) operation?

Yes. The EcoFlow Smart Generator 4000 (Dual Fuel) and similar models run on gasoline or propane. Explore dual-fuel options on our website. They ensure continuous power, lower fuel costs, and longer runtime, ideal for emergencies, off-grid use, or hybrid battery integration.

Which models come with built-in inverters or pure-sine-wave output?

All portable power stations, including EcoFlow DELTA and ACOPOWER series, have built-in pure sine wave inverters. They safely power sensitive electronics, appliances, and tools. Browse our website to find models with inverter specifications suitable for your home, RV, or job-site needs.

Are the solar kits plug-and-play, or do they need professional installation?

Most kits are plug-and-play with clear instructions, but larger systems may require professional setup. Visit our website to see which solar and hybrid kits are DIY-friendly versus professionally recommended for safe, efficient operation in off-grid or backup power applications.

What is the battery lifespan and replacement process?

LiFePO₄ batteries typically last over 10 years or 3,500+ charge cycles. Replacement is simple, swap the external battery module. See our website for compatible replacement batteries and modular options that extend runtime and maintain reliable power without replacing the entire system.

Do these generators require regular maintenance?

Battery-based power stations require minimal maintenance, just periodic charging and connection checks. Dual-fuel generators require routine fuel and oil care. Check our website for maintenance guides to ensure optimal performance, long battery life, and warranty coverage for reliable power anytime.