5kw Solar Power Plant Home Commercial on off Grid 15kw 30kw 80kw 100kw Solar Energy System

Product Description

Product Description
What is an off-grid solar system?
An off-grid solar system is a standalone power system that uses solar panels, batteries, and inverters to generate and store electricity independently, without relying on the main power grid.
An off-grid solar system pulls energy from the sun and its rays through solar panels, which most often are mounted to the roof of a home, cabin or RV. The energy the panels collect is then routed to a battery that stores the energy until you need it, when an inverter converts it into electricity.
We are a trusted photovoltaic (PV) solutions expert, offering comprehensive services for power plants and solar projects. Designed, installed, and completed the construction of over a thousand small, medium, and large-scale photovoltaic power plants. we specialize in delivering high-quality PV products and energy storage devices at competitive prices, catering to global markets.
How to design an off-grid solar system?
Step 1 - Estimate the loads
The most important part of designing any off-grid solar or battery system is calculating how much energy is required per day in kWh. For grid-connected sites, detailed load profile data can be obtained using meters to measure the loads directly. For off-grid or stand-alone power systems, always start by using an off-grid load calculator (load table) for summer and winter requirements. The load table will also help calculate surge loads, power factors, and the maximum demand required to size an appropriate off-grid inverter.
Step 2 - Battery sizing
Battery capacity is measured in either Ah or Wh. Lead-acid (deep-cycle) batteries are sized in Ah, while lithium battery capacity is measured in kWh. All loss factors need to be considered to ensure the battery size is adequate to meet the loads, including maximum allowable depth of discharge (DoD) and round-trip efficiency. Also, consider battery type and chemistry, battery voltage range, minimum days of autonomy (continuous days without sunshine), and maximum battery charge rate (C rating).
Step 3 - Solar array sizing
A correctly sized solar array is required to charge the battery while also supplying the loads. To ensure the solar array is large enough, consider local conditions, including average solar irradiance throughout the year (peak sun hours), shading issues, panel orientation and tilt angle, cable losses, and temperature derating (loss factors).
Step 4 - Inverter selection
After steps 1 to 3 have been established, you can then select a suitable solar inverter or MPPT Solar Charge Controller to match the solar array depending on the panel and string length, which will determine the string voltage. Use a string voltage calculator to calculate the maximum and minimum string voltages.
Our Strengths
One-Stop Service: From design to installation and after-sales maintenance, we provide end-to-end solutions tailored to customer needs.Extensive Experience: Having successfully completed thousands of projects, from residential to large commercial installations, we excel in design, installation, and maintenance, meeting diverse client requirements.
Affordable Excellence: We source products from top brands like LONGi, combining exceptional quality with cost-effective solutions.
Why Choose Us?
Reliable and experienced, with a strong focus on customer satisfaction.
Dedicated after-sales team for ongoing support and maintenance.
Proven track record in supporting distributors with successful project completion.
We're committed to advancing renewable energy adoption worldwide. Let us power your future with sustainable energy solutions!
Fengrui Solar SystemsShandong Fengrui Power Technology Co., Ltd handles all production and packing processes in-house to deliver solar systems with tight tolerances and accurate specifications. We work with customers from various industries and have the expertise and equipment to handle small or large production runs.

30KWH Off Grid Solar Panel System Components List
ITEM NO.	PRODUCT NAME	PRODUCT DESCRIPTION	QUANTITY
1	Solar Panel	Mono 600W	30 Pieces
2	Combiner Box	6 Inputs 1 Output	1 Piece
3	Lithium Battery	384V/100Ah	1 Piece
4	Off Grid Inverter	30KVA Inverter	1 Piece
5	Mounting Brackets	Aluminium Alloy Brackets	1 Set
5	PV Cables	4mm²	150 Meters
7	MC4 Connector	IP68 Rated	8 Pieces
40KWH Off Grid Solar Panel System Components List
ITEM NO.	PRODUCT NAME	PRODUCT DESCRIPTION	40 Pieces
1	Solar Panel	Mono 600W	1 Piece
2	Combiner Box	6 Inputs 1 Output	1 Piece
3	Lithium Battery	384V/200Ah	1 Piece
4	Off Grid Inverter	40KVA Inverter	1 Piece
5	Mounting Brackets	Aluminium Alloy Brackets	1 Set
6	PV Cables	4mm²	200 Meters
7	MC4 Connector	IP68 Rated	10 Pieces

Unit Introduction of Off-Grid Solar SystemSolar Panels:
1. Solar cells------ Monocrystalline Silicon, half-cut, n-type, efficiency is about 23.23%.
2. Front glass------ high transmission, low iron, tempered glass.
3. EVA----- excellent anti-aging EVA.
4. TPT------ TPT hot seal made of flame resistance, imported.
5. Aluminum frame----- Unique aluminium frame design with high mechanical strength for installation.
6. Junction box----- IP68 rated, high quality, with diode protection. Solar Inverter:
This is a multi-function inverter/charger, combining function of inverter solar charger and battery charger to offer uninterruptible power support with portable size , Its comprehensive LCD display offers user -configurable and easy-accessiblebutton operation such as battery charging current , AC/solar charger priority, and acceptable input voltage based on differentapplications. Rated Power: 15-20KW. Input Voltage: 230V. Output Voltage: 208/220/230/240V. Output Type: Single/Three Phase. System Type: Off Grid. Warranty: 5 Years
Wall-mounted Lithium Battery:
Brand Name: Fengrui Battery Materials: Grade A LiFePO4. Rated Voltage: 192V. Rated Capacity: 100Ah/200Ah. Battery Capacity: 19.2KWH/38.4KWH. Cycle Life: 6000 Times. Max Charging Current: 100A. Max discharging Current: 200A. Communication Interface: RS485/CAN. Battary Pack: 16S1P. Certification: CE/RoHS/MSDS/UN38.3. Warranty: 10 Years. Installation System:
Installation Site: Color Steel Tile/Tin Pitched Roof, Flat Roof, Cement/Soil Ground, Carport, etc. : Installation BracketsAluminium Alloy, Stainless Steel, Hot-dip Galvanized Steel, Ground Screw Mounting, Adjustable Brackets, Solar Tracker. Tools Bag: Selectable. MC4 Connector: 30A/1500VDC. PV Combiner Box: 6 Inputs 1 Output. PV Cable: 4mm²./6mm² Installation Service: Selectable. Our Cases:
Residential: thousands of houses around the globe are equipped with Fengrui solar panel systems, so they can now enjoy the clean power with a lower electricity bill and moreover, make profits from them.
Industrial and Commercial Use:

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