Hebei Mutian Solar Energy Technology Development Co., Ltd. is one of the most reliable manufacturers and suppliers of off-grid storage inverter in China, also supports customized service. Welcome to buy advanced off-grid storage inverter in stock from our factory.
Product Overview-Off-Grid Storage Inverter

The growatt off-grid storage inverter is a device that converts direct current power captured by solar energy into a stable alternating electric current while providing battery storage functionality if needed. The inverter supports both lithium and lead-acid batteries, making it versatile for varying renewable energy system configurations. Solar inverter capabilities range from 3.5kW - 12kW, covering small household use all the way through commercial use covering at least one or even multiple large households! The inverter also combines hybrid capabilities, allowing users to prioritize solar energy first if available, battery power second if connected to a battery system, and grid power third if grid power is available etc.
Design and Build Quality
This inverter is built tough with a metal casing designed so any excess heat is dispersed away from the inside of the unit, which is critical to maintaining the inverter's performance level over longer periods of time. Additionally, the way the unit is designed allows air flow in and out of the unit by having ventilation holes and heat sinks in place to control heat buildup, regardless of how high the ambient temperature may be. The front display; the user interface has an OLED display and button controls for users to view in real-time, their power flow (what is going to the load), their battery and the health of the system. This allows users to view, manage, and change settings, without the use of complex software or the need for professional assistance.
Performance and Efficiency
The inverter's pure sine wave output is the reason it can be used with sensitive electronics and equipment, such as medical devices, and industrial machinery. The inverter achieves maximum efficiencies of up to 93%, which is really great, because that means that there is less energy lost during the conversion in the inverter.
The pure sine wave output of the inverter allows it to be used in sensitive electronics, such as medical devices, and industrial products. The inverter achieves maximum efficiencies of up to 93%. That's great for efficiencies, meaning there's less energy loss when doing the conversion in the inverter. The inverter also accepts surge power to operate large running loads, motors, and compressors, at 10,000VA for the 5kW inverter, with good stability.
Connectivity and Monitoring
Communication Ports
Standard: RS485 and RS232 interfaces for local data logging and Modbus communication with SCADA systems or smart home controllers .
Optional Modules: Plug-and-play slots for WiFi, 4G, LAN, or GPRS modules . This flexibility allows for monitoring in remote rural locations (4G) as well as dense urban apartments (WiFi).
User Interface
With the LCD display (or smart meter integration, which is optional), users can easily see their real time performance, total lifetime energy produced, and any faults that have occurred directly on the inverter making fast and efficient on-site diagnostics of the inverter possible.
Conclusion
In short, the off-grid storage inverter is more than just another inverter to sell, it is a strategic asset as it combines the toughness of an inverter which is needed for the rugged European outdoor environment with the smart grid capabilities needed by modern DSO's (Distributed System Operators). If you are an installer looking to install a solid workhorse inverter or an end-user wanting maximum energy & money savings, the inverter series will provide you with the highest performing, safest, and most reliable inverter possible.
Ready to power your next project?
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Technical Specifications
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Datasheet |
SPF 6000T HVM-G2 | ||||||
| Battery voltage | 48VDC | ||||||
| Battery type | Lithium/Lead-acid | ||||||
| Inverter output | |||||||
| Rated power | 6KW | ||||||
| Surge rating | 18KW | ||||||
| Parallel capability | Yes, 6 units maximum (Available in single and three phase system) | ||||||
| Waveform | Pure sine wave/ same as input (bypass mode) | ||||||
| Nominal output voltage rms | 208-220-230-240VAC (Optional) | ||||||
| Output frequency | 50Hz/60Hz +/-0.5 Hz | ||||||
| Inverter efficiency(Peak) | 93.5% | ||||||
| Transfer time | 10ms | ||||||
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Solar charger |
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| Maximum PV charge current |
120A |
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| Max. recommended PV power |
7000W |
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Number of independent MPP trackers/ strings per MPPT tracker |
2/1 | ||||||
| MPPT range @ operating voltage (VDC) | 60~200VDC | ||||||
| Maximum PV Array open circuit voltage |
250V |
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| Maximum efficiency | 97% | ||||||
| AC Input | |||||||
| Max. AC input current | 50A | ||||||
| Voltage |
230VAC |
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| Selectable voltage range |
184~272VAC(UPS);154~272VAC(APL |
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| Frequency range | 50Hz/60Hz (Auto sensing) | ||||||
| Max. charging current | 60A | ||||||
| Physical | |||||||
| Protection degree | IP20 | ||||||
| Dimensions (W/H/D) | 365/650/247mm | ||||||
| Net weight | 38.5kg | ||||||
| Operating environment | |||||||
| Altitude | <2000 | ||||||
| Operation temperature range | -20°C to 50°C | ||||||






