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Product Description
The Compact Off-Grid PV Solar Panel System from Ever Faith Industry (EFI) is a battery-based photovoltaic kit designed to operate independently of the utility grid. It combines PV modules, a charge controller, an inverter, batteries, cables, and a mounting structure. During daylight the modules charge the batteries through the controller, and the inverter supplies alternating-current loads from stored energy, enabling operation where grid access is unavailable.
It is intended for industrial clients, business buyers, farms, remote offices, telecommunications sites, construction camps, shelters, and rural or island properties. Capacity is configured from the daily load in kWh, local solar resource, and required autonomy days, with configurations from 1 kW to 10 kW and above and an MOQ of one set.
Item | Specification |
|---|---|
Material | Solar Panel,Charge Controller,Inverter,Gel Batteries,Cables and Mounting Structure etc |
Solar Panel | Solar Photovoltaic Panels collect sun energy and convert it into an electirc DC Current,PV Array is a group of solar panels to reach your energy needs |
Inverter | DC to AC Inverter converts DC current generated by solar panels into AC current that can be used to power appliances in your home or office |
Charging Controller | Charging controller controls DC electricity stores into the gel batteries neigher too fullnor too less automatically |
Distribution Panel | This is the panel that feeds the home or office circuits to your appliances Often a subpanel is used to power only critical loads |
AC Loads | These are you current loads:lights,TV,Microwaves,Pump,Refrigerator,Freezer Etc |
Electric Meter | Your home solar power system can actually cause your electric meter to spin backwards as it feeds the electricity it generates into the main power grid and you can earn credit on your electrical bill |
Main Power Gid | Electricity generated by our solar power system is directed onto the power grid. It might generate excess electricity and sellit to your power company |
MOQ | 1 set |
Warranty | 20 years warranty and service life of 25 years |
Pictures ofOff-grid Pv System photovoltaic Panels Systems Set
The table includes electric-meter and main-power-grid items, which describe grid-tied or hybrid configurations that can export power. A standard off-grid system neither exports power nor uses net metering; grid or generator backup applies only where the inverter and regulations allow. Confirm the configuration with EFI before ordering.
For rural or off-grid homes, it supplies lighting, television, microwave, refrigerator, freezer, and water pumps, subject to the sized load list.
For small businesses, farms, remote offices, and industrial facilities, it supports daily operations and critical equipment where the grid is unavailable or unreliable, from 1 kW to 10 kW and above.
It suits construction sites, mountain cabins, and shelters using ground, roof, carport, or BIPV mounting. Marine use such as sailboats needs added corrosion protection and is specified separately.
Modules use monocrystalline or polycrystalline Grade A cells, and the array is sized to load and site irradiance. Wattage, efficiency, and panel count are defined in the project design rather than fixed in the kit.
The controller limits overcharge and deep discharge, with MPPT or PWM type selected per design. The inverter converts DC to AC, configured for the destination market from the listed 110/120/220/230 V single-phase or 380 V three-phase options.
Gel, lead-acid, or lithium-ion batteries store daytime energy for night and cloudy periods. Autonomy depends on capacity, load, and weather, so EFI sizes batteries to the required backup days rather than quoting a fixed runtime.
Ground, roof, carport, and BIPV mounting are supported, with the structure designed for wind load up to 150 km/h and snow load of 1.4 kN/m², subject to site engineering. EFI provides pre-sales design, including a distribution panel and, where needed, a subpanel for critical loads.
The supplier reports CE and ISO 9001 documentation. Kits should be installed with disconnects, overcurrent protection, and grounding by a qualified installer; certificate copies and component datasheets are available on request.
The supplier lists a 20-year warranty and a 25-year service life. Because batteries and inverters are service-life-limited parts, buyers should confirm the separate warranty period and cycle life for panels, inverter, controller, and batteries in the quotation.
Size it from daily consumption in kWh, peak-sun hours, and required autonomy days. EFI uses the load list and irradiance data to define module count, battery capacity, controller rating, and inverter size; smaller kits suit small homes and 8-10 kW kits suit larger loads.
It runs from stored battery energy. Output falls in cloudy weather and autonomy is finite, so capacity is sized to cover the expected low-solar period; a generator or grid input can be added where the inverter supports it.
A qualified installer familiar with battery-based PV systems is recommended for safety, performance, and warranty validity, and EFI provides installation guidance and technical support.
Gel and lead-acid batteries have a lower upfront cost; lithium-ion offers higher usable capacity, longer cycle life, and faster charging. The choice depends on budget, load, temperature, and cycling needs.
The modular design allows added modules, batteries, or a larger inverter where controller and inverter capacity and cable sizing permit, and EFI checks compatibility before expansion.
