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4kw Solar System 5kVA Solar Power System Professional Supplier

Port: Shanghai, China Production Capacity: 10000PCS/Year Payment Terms: L/C, T/T, Western Union, Money Gram After-sales Service: 25 Years Warranty: 25 Years Condition: New Certification: ISO, CE Application: Home, Industrial, Commercial Specification: Normal, customized
Model NO. BSW-4kW Solar Panel Mono 320W
Inverter Pure Sine Wave Battery 12V200ah
Bracket Q235 or Al. Output Frequency 50Hz/60Hz
Output Vol. 220V/380V Cables 4mm2 with Mc4
Controller Built-in PWM or MPPT Trademark Brightway
Transport Package Carton Origin Yangzhou
HS Code 8501320000

Specifications & Configurations      

Off-grid photovoltaic power generation system is applicable to areas without grid connection or power instability. Off-grid photovoltaic system is usually composed of solar module, controller, inverter, battery group and support system. They generate dc power directly through the day or stored in batteries and are used to provide power at night or on cloudy or rainy days.

Off-grid photovoltaic systems are independent solutions because they can be installed in most places and are easy to maintain locally. They are reliable, clean and cost-effective compare to diesel generators.

4Kw Off Grid Solar Power System Components
Item Name Description Quantity 
1 Solar Panel Poly 270w Solar Panel 16pcs
2 Inverter 4kw Off grid Solar Inverter 1 set
3 PV Combiner Box 4 Inputs 1 output 1 pc
4 Charger Controller 96V 50A (MPPT/PWM) 1 pc
5 Battery 12V 200AH (Lead Acid/Gel) 8unit
6 Solar Mounting Structure Roof/Ground Install (Customized) 1 set
7 PV Cable 4 mm2 DC PV Cable 200m
8 MC4 MC4 Connector 10prs 
9 Standard Wooded Package + System Connecting Drawings (Easy Installing)
10 System Capacity could be adjustable according customer's situation

Product Parameters 
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4kw Solar System 5kVA Solar Power System Professional Supplier
4kw Solar System 5kVA Solar Power System Professional Supplier4kw Solar System 5kVA Solar Power System Professional Supplier4kw Solar System 5kVA Solar Power System Professional Supplier


Q1: What are differences among grid-tied, off grid and hybrid solar power system? 

A1: Grid-tied system works based on the national grid. If there is without the national utility, the system can not word. 
Off grid system can word without the national grid, but if there is national grid, which can be a back up power for the off grid system 
Hybrid system, which combine the function of grid-tied and off grid. All in all, it's a grid-tied system, but can also store the power in the battery.

Q2: How about the leading time? 

A2: After receiving deposit, 20-30 days. 

Q3: How many years of warranty for the solar system? 

A3: For the each of accessories, the warranties are different. Solar panel has 10- years linear output warranty and 25years life span. Contorller, inverter and battery has 5-10years warranty years warranty.bracket has 10 years warranty.

Q4: How to design a suitable solar power system? 

A4: Just contact our sales engineer, who will design the full set of solution for you based on your really needs with the most competitive cost.

We accept OEM and small trial orders, contacting with us now for more information. All inquiries will be replied within 24 hours.


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