Involtek INV 6KFG-S1/LV is a 6kW single-phase low-voltage off-grid inverter designed for residential solar and energy storage applications. It combines high PV input capability, intelligent battery management, generator integration, and flexible system expansion to provide reliable and efficient power for homes and off-grid installations.

With support for lithium-ion and lead-acid batteries, a wide MPPT operating range, high battery charging and discharging current, and parallel operation of up to 12 units, the INV 6KFG-S1/LV provides a flexible solution for residential backup power and independent solar energy systems.

Applications

Residential Solar Systems

Reliable solar power conversion and battery management for residential energy systems.

Off-Grid Homes

Designed for independent residential installations where reliable grid access is unavailable or limited.

Backup Power Systems

Provides dependable backup power for essential household loads during grid interruptions.

Solar + Generator Hybrid Systems

Supports generator integration for flexible hybrid energy systems combining solar, batteries, and backup generation.

Additional information

Inverter Type	Off-Grid Inverter
Phase	Single Phase
Rated Output Power	6,000W / 6,000VA
Surge Power	12,000VA / 5s
Output Voltage	220V / 230V / 240V
Output Frequency	50Hz / 60Hz
Max. PV Usable Power	9,000W
Max. PV Voltage	500V
MPPT Voltage Range	60–450V
Number of MPPTs	1
PV Strings per MPPT	1
Max. PV Input Current	36A
Compatible Battery Type	Lead-acid / Li-ion
Rated Battery Voltage	48V
Battery Voltage Range	40–60V
Max. Charging Current	140A
Efficiency	95% PV to AC / 93% Battery to AC
Parallel Connection	Up to 12 Units
Communication	USB (OTG) / BMS CAN & RS485 / Parallel RJ45 / Dry Contact
Ingress Protection	IP54
Operation Temp.	-10°C to +55°C
Cooling	Intelligent Fan Cooling
Noise Level	<60 dB
Display	LED + LCD
Mounting Type	Wall-Mounted
Dimensions	345 × 445 × 120 mm
Approx. Weight	10.8 kg
Warranty	3 Years

FAQ

What payment methods do you accept?
We accept various payment methods, including credit/debit cards, PayPal, and bank transfers for your convenience.
Do you offer international shipping?
Yes, we offer international shipping to many countries. Please check our shipping information page for details on available destinations and shipping rates.
How can I track my order?
Once your order is shipped, you will receive a tracking number via email. You can use this number to track your package's delivery status on our website or through the courier's tracking portal.
What is your return policy?
We offer a hassle-free return policy. If you're not satisfied with your purchase for any reason, you can return it within 30 days for a full refund or exchange. Please refer to our returns page for detailed instructions.
Are your products covered by a warranty?
Yes, most of our products come with a manufacturer's warranty against defects in materials and workmanship. The duration and terms of the warranty vary by product, so please check the product description or contact our customer support team for specific details.

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