Product Specifications

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Product Description

Overview

Quick Details

Place of Origin: Jiangsu, China

Brand Name: Yifeng

Model Number: YFT3K-OFF

Application: Home

Solar Panel Type: Monocrystalline Silicon, Polycrystalline Silicon

Battery Type: Lead-Acid, Lithium Ion

Controller Type: MPPT, PWM

Mounting Type: Ground Mounting, Roof Mounting

Load Power (W): 5000W

Output Voltage (V): 110V/220V/240V

Output Frequency: 50/60Hz

Work Time (h): 24Hrs

Certificate: TUV/CE

Product Name: Off-grid Solar Power System 3kw 4kw 5kw

Use life: 25years

Grid Type: off-grid

Protection: Overloads

Complete Set: Complete Set Solar Power System

Feature: Quick Installation

Function: Provide Power

Solar panel rack: Anodized Aluminum+stainless Steel

Charging time: 4~8 Hours

Packing: Standard Wooden Box

Supply Ability

Supply Ability: 1000000 Watt/Watts per Week

Packaging & Delivery

Product Description

What is off grid system?

Off-grid system is suitable for areas without grid-connected or unstable grid-connected power.

Off grid system is usually composed of solar panels. connector, inverters, battery and mounting system.

1. Safe & ReliableProfessional Design

Support utility grid and generator voltage input

2. Flexible

12V/2V lead-acid battery Optional

PWM/MPPT Controller Optional

Poly/Mono solar Module Optional

Detailed Images

SOLAR PANEL

1. 25 years warranty

2. highest conversion efficiency of 19.6%

3. Anti-reflective and anti-soiling surface power

4. Excellent mechanical load resistance

5. PID Resistant, High salt and ammonia resistance

OFF-GRID INVERTER

1. Both single and three phase, from 1kw-60kw

2. Smart LCD setting function

3. Protection of battery overload, reverse-

polarity, short circuit

4. Cold start function

BATTERY

1. Deep cycle times ＞800

2. 10 years service life

3. ＜2% per month self-discharge

4. ＞99% sealed reaction efficiency

MOUNTING STRUCTURE

1. 25 years quality warranty

2. Kinds of raw material choice

3. Customization acceptable

4. Pitched, flat & workshop roof available

Our Company

Wuxi Yifeng Technology Co.,ltd is a high-tech Environmentally friendly enterprise, which was established in 2010.With the rapid development of solar industry, YF technology have owned three subsidiary companies - one silicon mine in Jian jiangxi province(Mainland China), one Steel company and one solar company factory in Wuxi. Our solar factory employed around 200 skilled workers, 20 senior R&D engineers, 10 overseas sales, 3 after-sale service clerks and 3 production instructors. We would like to offer our costomers comprehensive service and technical support from pre-sale and after-sale service.Under strict quality control regulations. Our products include:· 125mm mono solar cells &156mm poly and mono solar cells · 5W-500W monocrystalline and polycrystalline silicon solar panels ·1KW-50KW home-use or roof solar power system(on-grid&off-grid) Which are widely exported to Europe,America, Africa, Asia and gain a high reputation. We also offer OEM,ODM,OBM service as per customer requirement and aim at making a greater contribution to the usage of solar energy globally. YF technology always pursues the philosophy of people-oriented , environmental friendly and energy-saving. We, together with our partners, are committed to make mutual contribution to a sustainable society.

Strict QC System

100% Cells Sorting.

Ensure Colour and Power Difference.

Ensure high yields,consistent performance and durability,

First of 52 steps strict quality control and inspection process

100% Inspection.

Before and After Lamination.

Most stringent acceptance criteria and tightest tolerance,

Intelligent alarm and stop mechanism in case of any deviation or errors.

100% EL Testing.

Before and Following Lamination

Ensure "Zero" micro crack monitoring before final inspection, Continuous line monitoring and video/photo record for each cell and panel.

100% Optimal Testing.

Ensure 3% Positive Power Tolerance

Comprehensive QC information management system with barcode ID.Quality traceable system in place to allow quality data flow constantly.

Certifications

Project

Welcome to Contact !

Fred Hu

Whatsapp: +86 13057389598Email: [email protected]

Web: www.yf-techco.com

Supply Ability

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Packaging and Shipping

Lead time

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Packaging details

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