3kw off-grid solar power system with battery backup for home use
The off grid solar system can prroduced electricity and load appliances directly.
Features:1. solar first, grid power(utility) as backup power
2. Grid power first, solar power as backup power
Key words: 3kw solar system, 3kw off-grid solar power system, 3kw hybrid solar system
Since 1kw 2kw 2.5kw 3kw 5kw solar power panel system based on double MCU intelligent control technology, it owns the following features.
- It applies to different types of loads because of its pure sine wave output.
- Its mains supply preferred mode,saving mode and battery preferred mode are all settable
- It has intelligent optimization SOC control and independent three-stage photovoltaic charge management for battery to improve charge efficiency.
- LCD display realize the visualization of operation status of equipment.
- It is widely applied to large solar power generation occasions including families,schools,streets,frontier defense,pasturing areas,industrial and mining enterprises,Satellite communications equipment,etc.
Products Warranty
- Solar panel: 5years for replacement. 25years lifespan (power not less than 90% in 10years and 80% in 25 years.
- Brackets : 5years warranty. Lifespan around 20years.
- Inverter and controller : 2years warranty. About 20 years lifespan.
- Othe accessories: 1year warranty.
- Battery: AGM 2years warranty,lifespan 5years . GEL 3years warranty,lifespan 8years.
| Specifications: | ||||||||
| Model NK- | P-500W | P-700W | P-1000W | P-2000W | P-5000W | |||
| Solar Energy Module | Type | Monocrystalline silicon A level | ||||||
| Power | 100W | 500W | 1100W | 1800W | 4400W | |||
| Daily Power generation | 0.5KWH | 2.5KWH | 5.5KWH | 9KWH | 22KWH | |||
| (Sunshine according to 5H) | ||||||||
| Size(mm) | 1160×660×35×1 | 1250*660*35*4 | 1360*900*40*6 | 1620*990*40*8 | 1955*990*45*16 | |||
| PV Controller | Control mode | Direct charge/PWM/MPPT | ||||||
| Charge current | 10A | 50A | 50A | 40A | 50A | |||
| Rated charging voltage | 12VDC | 12VDC | 24VDC | 48VDC | 96VDC | |||
| Compulsive charging voltage | 14.8V | 29.6V | 59.2V | 118.4V | ||||
| Balanced charging voltage | 14.4V | 28.8V | 57.6V | 115.2V | ||||
| Floating charging voltage | 13.8V | 27.6V | 55.2V | 110.4V | ||||
| Recovery charging voltage | 13.3 | 26.6V | 53.2V | 106.4V | ||||
| Battery overvoltage protection/recovery | 16.5V/15V | 33V/30V | 66V/60V | 132V/120V | ||||
| Protection function | Reverse connection, short circuit, overcharge, anti charge protection | |||||||
| Display | LED/LCD | |||||||
| PV Inverter | Rated Capacity | 500W | 700W | 1000W | 2000W | 5000W | ||
| DC voltage | 12V | 24V | 48V | 96V | ||||
| Undervoltage protection | 10.5V | 21V | 42V | 84V | ||||
| Inverter structure | Low frequency structure | |||||||
| Mains input | 85VAC-138VAC or 170VAC-275VAC | |||||||
| Inverter output | 110VAC+/-2% or 220VAC+/-2% | |||||||
| Mains input charging current | 10A | |||||||
| Working way | Mains priority/solar power priority (optional) | |||||||
| Conversion time | 4-8ms | |||||||
| Overload capacity | Overload 110% 30 seconds the machine automatically shut down; overload shutdown 120% 2 seconds; mains mode overload do not shutdown | |||||||
| Conversion efficiency | ≥85%(80% for resistive load) | |||||||
| Output waveform | Pure sine wave | |||||||
| Work environment | Temperature0-40°C,Humidity0-90% | |||||||
| Charge Current | 30A(Default)-C0-C6 for optional | |||||||
| Protection function | Battery overload protection,battery undervoltage protection,opverload protection,short circuit protection,overtemperature protection,etc. | |||||||
| Display | LCD | |||||||
| Output waveform distortion | ≤±0.3% | |||||||
| Input and output frequency | The same with power system | |||||||
| Battery | Battery Type | Deep cycle maintenance-free lead-acid battery | ||||||
| Battery capacity | 100AH/12V×1 | 200AH/12V×1 | 100AH/12V×2 | 200AH/12V×4 | 100AH/12V×8 | |||
| Discharge time(full Load calculation) | 1.3H | 1.8H | 1.3H | 2.8H | 1.1H | |||
| Machine specifications | Size(mm) | 302×122×188 | 316×149×215 | 480×222×182 | 655×248×182 | |||
| Remarks | Specification for reference.Subject to change without prior notice | |||||||
Product Shows
3kw solar system
| 3KW Solar System Solution Case |
| 6 pieces 300w/36v mono/poly solar panel |
| 1 piece 3kw/48v pure sine wave inverter |
| 1 piece 48v/50A PWM/MPPT solar charger controller |
| 4 pieces 12v/200Ah maintenance-free lead-acid battery |
| 3sets ground or pitched roof brackets for solar panels |
| solar cables,MC4 connector |
A. More than 10 years technical experience and advanced equipment
Our products are selling to all over the world, such as North America, south America,Eastern Europe, Southest Asia ,Africa and Mid-East,etc…
B. Quality Certification
80% electronic components are imported,to make sure the products with high quality and reliable excellent performance.
All of our products have CE certification, ISO9001:2008.
C. OEM & ODM
OEM & ODM are available which can meet your any request with our professional engineering team.
D. Quality Service
Any inquiry replied within 12 hours
Any problem resolved within 24 hours
With 12 months warranty
E. As a leading manufacturer,the price of our products is competitive.
Foshan SNAT Energy Electrical Technology Co. Ltd is established in 2004. As a world's leading supplier for solutions for electric energy and new energy, SNAT has powerful strength and is engaged in field of solar inverters, solar inverters with built-in solar controller, solar controllers, UPS, which are used for household, telecommunication, electricity, infrastructure and industrial markets. At the same time, our company is concurrently engaged in solar panels, batteries for solar power system. All products purchased by our company have our warranty commitment, parts will be shipped for free during warranty period. We have professional technical team and are focus on customers' demands, continuous innovation, and establish good cooperation with more and more clients. The leading-edge technology has become a competitive advantage for our customers and business. SNAT is becoming a strong brand step by step depending on high quality and strict self-demanding. We have won a good reputation among clients. Nowadays, we have prepared well to develop much more wide international market. We sincerely wish to corporate with more and more international traders to create a better future! SNAT has been being a pioneer in the world's new energy field.