Big Battery Growatt 3K Inverter - INV001
The SPF 3000TL LVM-ES module is Growatt’s cutting-edge, multi-functional off grid and solar inverter-charger, and serves as an essential component for any small to mid-sized power system. This model was designed specifically for residential systems, off-grid and solar systems, & self-consumption applications, and comes equipped with an MPPT solar charge controller, high-frequency pure sine inverter, a UPS function module, and more all in one compact unit.
The included WiFi module is a plug-and-play monitoring device able to be connected directly to your inverter, allowing you to monitor the status of your power system online or from your mobile phone anytime, anywhere. Plus, this inverter works with or without batteries, so you can create a power system tailored to your needs. Combine this 3kW inverter and charger with your PV array, stable grid connection, or favorite BigBattery battery to equip your home or camper van with a safe, reliable power system.
What our Experts Think
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All-in-one solution — Combines a high-frequency pure-sine inverter, MPPT solar charge controller, and AC transfer/UPS function, reducing the need for multiple separate devices.
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Reliable 3 kW output — Provides 3000 W continuous power with 6000 VA surge capacity, handling typical off-grid home loads or RV appliances with ease.
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Flexible and scalable — Supports 48 V battery systems and can be paralleled up to 6 units for higher power needs (~18 kW).
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Solar-ready and battery-compatible — Works with PV panels, grid, or battery setups, making it ideal for off-grid, hybrid, or backup configurations.
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Smart monitoring — Includes WiFi monitoring and communication support (CAN/RS485) for easy system tracking and battery protection.
Q&A
Q: What is the BigBattery Growatt 3K Inverter (INV001)?
A: A 3 kW all-in-one inverter, charger, and solar controller designed for off-grid, hybrid, or backup battery systems in homes, cabins, or camper vans.
Q: What power sources does it support?
A: Works with 48 V battery banks, solar PV arrays, and AC mains for flexible energy management.
Q: What kind of output does it provide?
A: Produces pure sine-wave AC power, with 3 kW continuous output and up to 6 kW surge capacity.
Q: Does it support solar charging?
A: Yes, it integrates an MPPT solar charge controller for efficient charging from solar panels.
Q: Can the system be expanded?
A: Yes, multiple units can be connected in parallel to scale power for larger loads.
Q: What applications is it best for?
A: Residential solar, off-grid cabins, camper vans, or backup power systems.
Q: Does it offer monitoring and smart control?
A: Yes, it includes WiFi-based remote monitoring for system status, performance, and fault alerts.
Maintenance Tips
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Install the inverter in a cool, dry, and well-ventilated space to prevent overheating and ensure stable performance.
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Inspect all wiring and connections regularly for tightness, corrosion, or damage to maintain safe, efficient power conversion.
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Keep the inverter exterior clean and dust-free using a soft, dry cloth to avoid heat buildup.
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Avoid exposure to direct sunlight, moisture, or extreme temperatures to preserve internal electronics.
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Ensure firmware is up-to-date for optimal efficiency and compatibility with connected battery systems.
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Disconnect from power sources during extended periods of non-use to protect internal components.
