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This guide covers the best GROWATT portable power stations, ranked by published specifications. You will find options ranging from compact units to larger 240V systems. The top pick is the Growatt Infinity 2000 Pro, which leads for home backup and cold-weather reliability. We compared 2 models to help you choose. Each ranking relies strictly on data like wattage, capacity, and physical dimensions. We do not use personal testing or user reviews. Our goal is to match your power needs with the right technical specs. This approach ensures you select a unit that fits your specific use case, whether for emergency backup or off-grid adventures.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Growatt Infinity 2000 Pro 2048Wh Expansion Battery Best overall | home backup and cold-weather reliability | |
| 2 | GROWATT HELIOS 3600 3600Wh LFP Best 240v | 240V home backup and expandable capacity |
GROWATT Portable Power Stations Overview
The GROWATT lineup splits into two clear groups based on voltage and capacity. The Growatt Infinity 2000 Pro offers 2400W running wattage and 2048Wh of battery capacity. It weighs 26 pounds and measures 12.2 by 18 by 9.72 inches. This model suits shoppers who need compact home backup and cold-weather reliability. Its size makes it easy to store in tight spaces while providing sufficient power for essential loads. You can rely on its consistent output for daily emergencies.
The GROWATT HELIOS 3600 targets users requiring 240V output and expandable capacity. It holds 3600Wh of energy and weighs 51 pounds. Its dimensions are 12.3 by 16.5 by 20.4 inches. This larger unit fits shoppers who need whole-home resilience or off-grid power. The higher voltage allows you to run more demanding appliances. Choose this option if you prioritize expandability and higher power delivery over portability.
Growatt Infinity 2000 Pro 2048Wh Expansion Battery
Best for: home backup and cold-weather reliability
- Battery Capacity
- 2048Wh
- Continuous AC Output
- 2400W
- Battery Chemistry
- LFP
- Cycle Life
- 4000+ cycles
- Intended Use
- Home, RV, Camping, Home Backup, Emergency Use
- Dimensions
- 9.72 × 12.2 × 18 inches
The GROWATT INFINITY 2000 Pro delivers 2400W continuous AC output from a 2048Wh LFP battery. It features 15ms EPS switchover for seamless backup and cold start technology down to -22°F. The unit weighs 26 pounds and measures 12.2 by 9.72 by 18 inches. This model suits users needing reliable home backup or RV power with stable, safe performance backed by UL certification.
- 2400W continuous AC output handles high-wattage appliances.
- 2048Wh LFP battery capacity provides 4000+ cycle life.
- 15ms EPS switchover keeps devices uninterrupted during outages.
- Cold start technology ensures operation at -22°F.
- UL certification and EV-grade cells ensure safety.
- 2048Wh capacity is lower than the 3600Wh HELIOS 3600.
- 26-pound weight is bulkier than lighter portable options.
- Expansion battery requires connection to main unit for charging.
- You need reliable home backup with fast switchover.
- You operate equipment in cold weather conditions.
- You want a durable LFP battery with long cycle life.
- You require more than 2048Wh of total capacity.
- You need the lightest possible unit for hiking.
- You want to charge expansion batteries independently.
Verdict: The GROWATT INFINITY 2000 Pro 2400W fits users who prioritize safety, cold-weather reliability, and fast backup power over maximum energy storage.
GROWATT HELIOS 3600 3600Wh LFP
Best for: 240V home backup and expandable capacity
- Battery Capacity
- 3600Wh
- Continuous AC Output
- 3600W
- Battery Chemistry
- LFP
- AC Recharge Time
- 1.5 hours (240V), 3 hours (120V)
- Expandable Capacity
- 36kWh
- Cycle Life
- 4000 cycles
The GROWATT HELIOS 3600 delivers 3600Wh of LFP battery capacity with a 3600W continuous output. It supports 240V operation and expands up to 36kWh by connecting two units. This setup allows for whole-house backup or extended off-grid use. It charges fully in 1.5 hours via 240V AC or 2.8 hours with solar input. The unit weighs 51 pounds and offers less than 15ms switchover time for critical loads.
- 3600Wh LFP battery capacity for extended runtime
- 3600W continuous AC output supports heavy appliances
- 240V input and output for faster 1.5-hour charging
- Expandable up to 36kWh by paralleling two units
- Less than 15ms EPS switchover for seamless backup
- Heavier build at 51 pounds compared to lighter models
- Smaller capacity than the 2048Wh Infinity 2000 Pro when not expanded
- Requires parallel connection for full 240V high-power performance
- You need 240V power for heavy home appliances
- You want to expand capacity up to 36kWh
- You require fast 1.5-hour AC recharging
- You need a lightweight unit under 50 pounds
- You only need basic 120V backup power
- You want a single unit without expansion gear
Verdict: The GROWATT HELIOS 3600 240V Power Station fits users needing high-capacity 240V backup or expandable off-grid power. Its 3600Wh capacity and parallel expansion options make it suitable for whole-home resilience.
Specifications side by side
| Spec | Growatt Infinity 2000 Pro 2048Wh Expansion Battery | GROWATT HELIOS 3600 3600Wh LFP |
|---|---|---|
| Battery Capacity | 2048Wh | 3600Wh |
| Continuous AC Output | 2400W | 3600W |
| Battery Chemistry | LFP | LFP |
| AC Recharge Time | – | 1.5 hours (240V), 3 hours (120V) |
| Expandable Capacity | – | 36kWh |
| Cycle Life | 4000+ cycles | 4000 cycles |
| Running Wattage | 2400W | – |
| Intended Use | Home, RV, Camping, Home Backup, Emergency Use | Emergency Use |
| Voltage | – | 240V |
| Dimensions | 9.72 × 12.2 × 18 inches | 20.4 × 12.3 × 16.5 inches |
| Weight | 26 pounds | 51 pounds |
| Color | INFINITY 2000 PRO | black |
| Model | INFINITY 2000 PRO | HELIOS 3600 |
Who GROWATT Power Stations Suit
GROWATT targets users needing reliable home backup and cold-weather performance. The range spans from the compact 26-pound Infinity 2000 Pro to the heavy 51-pound HELIOS 3600. You get options for standard 120V circuits or high-capacity 240V whole-home resilience. The lineup focuses on safety and expandable storage. You will not find lightweight camping units or ultra-compact travel chargers here. If you need small, portable power for weekend trips, this brand may not fit. However, for stationary backup or RV use, the specs align with serious energy needs.
How to choose the right GROWATT unit
Check running wattage needs
Running wattage determines which appliances you can power simultaneously. The Growatt Infinity 2000 Pro provides 2400W of continuous output. This capacity handles most household essentials like refrigerators and lights. If you need to run heavier tools or HVAC systems, this limit may be too low. Always sum the running watts of your intended devices. Ensure the total stays below the unit’s rated running wattage to avoid overload.
Match battery capacity to usage
Battery capacity defines how long the unit runs before needing a recharge. The Infinity 2000 Pro offers 2048Wh of storage. This suits short outages or weekend camping trips where you need reliable power for electronics. Larger capacity extends runtime but increases weight and cost. Calculate your daily energy consumption in watt-hours. Choose a capacity that exceeds your total daily usage for a safety margin during emergencies.
Verify voltage compatibility
Voltage must match your home’s electrical system or appliance requirements. Most standard outlets use 120V. The HELIOS 3600 supports 240V output, making it unique for high-power needs. This voltage is essential for whole-home backup or heavy-duty equipment. If your home uses standard 120V circuits, the 240V output requires specific adapters or inverters. Confirm your appliance voltage ratings before selecting a unit to ensure safe and effective operation.
Consider portability and weight
Weight affects how easily you can move the unit during an emergency. The Infinity 2000 Pro weighs 26 pounds, allowing one person to carry it. The HELIOS 3600 weighs 51 pounds, requiring more effort to relocate. Measure the dimensions to ensure it fits in your vehicle or storage space. If you need to move the unit frequently, prioritize lighter models. For stationary home backup, weight is less critical than capacity and output.
Evaluate intended use scenarios
Intended use guides your choice between compact and heavy-duty models. The Infinity 2000 Pro suits home backup, RVs, and camping. Its design prioritizes cold-weather reliability and fast power delivery. The HELIOS 3600 targets emergency use and whole-home resilience with expandable capacity. Match the unit to your primary scenario. If you need versatile outdoor power, choose the lighter model. For permanent home backup, the higher-capacity option provides greater security.
Frequently asked questions
Which GROWATT power station is best for home backup?
The Growatt Infinity 2000 Pro is the top choice for home backup. It delivers 2400W of running wattage and holds 2048Wh of battery capacity. This model is designed for cold-weather reliability and fast power restoration during outages. Its compact 26-pound weight makes it manageable for emergency storage.
Does GROWATT offer a 240V portable power station?
Yes, the GROWATT HELIOS 3600 supports 240V output. This unit provides 3600Wh of capacity, making it suitable for high-demand household circuits. It is designed for whole-home resilience and can be expanded in parallel. The unit weighs 51 pounds and measures 20.4 by 16.5 by 12.3 inches.
How much battery capacity does the Infinity 2000 Pro have?
The Infinity 2000 Pro contains 2048Wh of battery capacity. This energy reserve supports 2400W of continuous running wattage. It is intended for use in homes, RVs, and camping scenarios. The capacity allows you to power essential appliances during emergency situations or off-grid trips.
Is the HELIOS 3600 expandable?
The HELIOS 3600 features parallel expansion options. This allows you to connect multiple units to increase total energy storage. With a base capacity of 3600Wh, you can scale the system for longer off-grid durations. It is ideal for users needing high-capacity backup for critical home loads.
What is the weight of the GROWATT Infinity 2000 Pro?
The Infinity 2000 Pro weighs 26 pounds. Its dimensions are 12.2 inches wide, 18 inches high, and 9.72 inches long. This relatively light weight makes it easier to move compared to larger models. It is a practical size for storing in garages or closets for emergency use.
Can the HELIOS 3600 power large appliances?
The HELIOS 3600 is designed for high-capacity 240V applications. It supports whole-home resilience and emergency use cases. The 3600Wh capacity and 240V output allow it to handle larger loads than standard 120V units. It is best suited for users who need to power significant household systems during outages.
