Question 1

What are the main focus areas of E-FREE?

Accepted Answer

E-FREE focuses on innovative applications of portable PV and ESS. We provide safe, efficient, intelligent, and stable energy solutions for scenarios such as mobile spaces, sudden power outages, remote areas without electricity, and low-carbon green business.

Question 2

What product series do you offer?

Accepted Answer

We offer several scenario-based product series: Lightweight & Flexible Module, High-efficiency Glass Silicon Module, Folding Module, Portable Solar Power System, Solar Home System, and PV&ESS Integrated System.

Question 3

Which cell technologies do your high-efficiency silicon modules support?

Accepted Answer

Our high-efficiency silicon modules support N-type high-efficiency cells, Topcon, and BC (back contact) technologies, offering high light transmission and high backside reflectance for high performance power generation.

Question 4

What is your PV&ESS Integrated System?

Accepted Answer

This is a hybrid PV & ESS integrated system that combines High-efficiency photovoltaic modules, high-efficiency inverter, stackable LiFePO batteries. It is designed for residential and light commercial use, offering seamless solar-grid-battery integration, backup power during outages, and smart energy management.

Question 5

Do you offer larger or smaller Solar Home Systems?

Accepted Answer

Yes. We also offer a 300W system (with 18V 50W panel, 204.8Wh or 256Wh battery options) and a 500W system (with 18V 80W panel, 308Wh / 384Wh / 460.8Wh battery options). Colours include black & orange, black & green, and white. Contact us for full specifications.

Question 6

Do you support customisation?

Accepted Answer

Yes. We support ODM services for size, colour, output power, voltage, connector type, and more.

Question 7

How can I place an order?

Accepted Answer

You can place an order by contacting our sales managers via: Online customer service on our platform, Official channels (Email, WhatsApp, or phone), or Submitting an 'Inquiry Form'. Once the product model, specifications, and quantity are confirmed, we will issue a formal contract or payment link for you.

Question 8

What payment methods do you accept?

Accepted Answer

We typically operate on a 'deposit + balance before shipment' basis. We accept bank transfers (T/T) and other standard payment methods recognised by the company. (Specific payment ratios are detailed in the contract.)

Question 9

How long does it take to ship after placing an order?

Accepted Answer

Offpeak season: Usually shipped within 15 working days after order confirmation. Peak season: The production cycle is typically 30 working days, depending on order volume and customisation complexity. Note: The above lead times refer to the production cycle only and do not include transportation or customs clearance time.

Question 10

Where can I find more technical details about these products?

Accepted Answer

You can visit our official product page or request the full datasheet from our sales team.

Product profile

Customization

After-sales Service

Warranty

Model NO.

Number of Cells

Application

Condition

Certification

Material

Power Pm

Working Current Imp

Working Voltage Vmp

Short Circuit Current Isc

Open Circuit Voltage Voc

Working Temperature

Maximum System Voltage

Power Tolerance

Weight

Color

Front and Back Panel Material

J-Box

Cable

Connector

Installation Methods

Transport Package

Specification

Trademark

Origin

HS Code

Production Capacity

Key features

Company profile

About Our Factory & Business Background

Our Production Capability & Technical Expertise

Our Industry Experience & Global Business Record

Product Q&A

Send Inquiry

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