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Offgrid Inverter & Battery Systems
Reliable solar power where the grid doesn't reach, from a weekend cabin to a full-time off-grid home, Growatt is a leading manufacturer in the off-grid space for a reason.
When the grid is far away or unreliable, one system has to do everything. Growatt off-grid inverters combine solar charging, battery management, generator control and pure sine-wave power in a single compact unit, giving cabins, ranches, rural homes and remote sites dependable electricity without the cost of a utility line extension.
The SPE 6000–12000 US series is a full 120/240 V split-phase off-grid inverter built for every part of off-grid operation. Its UPS function keeps loads running, a 1.5 DC/AC ratio gets more from every panel, and up to nine units can operate in parallel for up to 108kW, in split-phase or 208V and 220V three-phase configurations as well.
For smaller systems, the SPF series delivers 3 kW to 5 kW with an integrated MPPT charge controller and runs with or without a battery. SPF LVM models provide 120V output, and SPF 3500 and 5000 US models provide 240V. Up to six units can be paralleled for 21kW to 30kW of capacity, and solar and grid power can supply loads together when solar alone isn't enough.
Every off-grid system eventually meets a cloudy week. Growatt off-grid inverters support generator charging, configurable solar or grid priority, equalization charging and scheduled charge and discharge times, so owners stay in control of fuel costs and battery life. Lithium and lead-acid batteries are both supported, which keeps upgrade costs low for existing systems.
Pair any Growatt off-grid inverter with the ALP LV modular battery, a cobalt-free LiFePO4 system that scales from 5 kWh to 320kWh+ with up to 220 A of continuous charge and discharge current. Rated IP66 / NEMA 4X for outdoor wall or floor installation and backed by a 10-year warranty, ALP provides long life storage, and optional Wi-Fi monitoring letting owners check on their system from anywhere.
In the mountainous and hilltop area of Kulambogan, Sibagat ADS, the Philippines, frequent power interruptions from the grid is common and normal to the residents there. To provide a more reliable study environment for the children, this school commissioned JMJ SOLAR to install two solar systems on top of this two-unit school building with two Growatt off-grid inverters, which is of 20kW power output in total. With the sustainable and stable power supply from the solar system, the school can then provide better conditions for the teachers and students.
Cerroasperosolar installed this off-grid solar storage system on an island where grid supply is beyond reach. An SPF ES off-grid inverter and two HOPE batteries, both offered by Growatt, were applied in this project, which will generate a green power supply and coexist harmoniously with the beauty of the island.
Thinking about going self-supply? In Pinamar, Argentina, BZ Energia Sustentable installed an off-grid solar energy storage system for this family who thought the same. With the solar modules installed on the rooftop, the Growatt SPF 5000 ES inverter allows the customer to use electricity generated by themselves. Moreover, the system equipped with HOPE Lithium Batteries can back up electrical power, bringing them reliable solar power when needed.
In this beautiful neighborhood in Parc Regency in the Philippines, SkyBright Solar has installed an off-grid solar energy storage system for one client. Four modules of Growatt’s ARK lithium-ion batteries were stacked and configured with an off-grid inverter SPF 5000 ES by the team, enabling the family to use solar power generated during the day for the night.
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