What is the warranty period for the system?

Solar panels come with a 25-year warranty, while other components have a 2-year warranty.

Is the output voltage customizable?

Yes, the output voltage can be customized to 110V, 120V, 220V, 230V, or 240V AC before delivery.

4kw 4 Kw off Grid Solar Panel Battery Cost

Name: 4kw 4 Kw off Grid Solar Panel Battery Cost
Brand: MY Solar Technology Co., Ltd.
SKU: 2037697345

Jiangsu, ChinaMY Solar Technology Co., Ltd.

US$1,159.00-1,200.00

1 Piece

Sample price:US$1200.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Performance Warranty

Warranty

Solar Panels 25 Years Warranty, Others 2 Years

Model NO.

XD-4000W

Condition

New

Certification

Application

Home, Industrial, Commercial

Specification

Normal

Solar Panel Typetype

Monocrystalline Silicon, Polycrystalline Silicon

Controller Type

MPPT

Load Power (W)

4kw

Output Frequency

4kw

Certificate

CE RoHS

Battery

Lead Acid Battery or Gel Battery

Load

Household Appliances

Protection

Short Circuit Protection

Inverter

Pure Sine Wave off Grid

Mounting Type

Ground Mounting, Roof Mounting, Carport Mounting

Output Voltage (V)

AC 110V 220V

Product Name

2kw off Grid Solar System

Type

off-Grid System

Transport Package

Carton

Specification

depends

Trademark

MY SOLAR/OEM/ODM

Origin

China

HS Code

8541409000

Production Capacity

10000PCS/Month

Key features

25-Year Solar Panel Warranty: Comprehensive 25-year warranty coverage for solar panels ensuring long-term reliability.

Pure Sine Wave Inverter: 4000W pure sine wave inverter with high frequency output and less than 1s transfer time.

Customizable Output Voltage: Output voltage supports 110V, 120V, 220V, 230V, and 240V AC customization before delivery.

MPPT Solar Controller: 48V/20A MPPT controller with 80-145V max PV input voltage for optimized energy harvesting.

Flexible Mounting Options: Supports ground mounting, roof mounting, and carport mounting configurations.

Comprehensive Protection System: Includes protection against short-circuit, overload, battery reverse, low-voltage, and over-voltage.

OEM and ODM Services: Professional OEM and ODM services available with flexible customization from samples or designs.

Fast Delivery Time: Standard delivery within 15-20 days after payment receipt depending on order quantity.

Company profile

High Repeat Buyers ChoicePatents AwardedOEM ServicesR&D Capabilities

MY Solar Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2011-01-31Nearest Port: Shang Hai, Ning Bo, Qing DaoAverage Response Time: ≤1.25h

AI-Powered supplier vetting

SummaryThe supplier is a limited company offering solar modules, photovoltaic modules, solar energy systems, and batteries, with an affiliated company and 30 employees. It reports ISO9001:2015 and ISO14001 management-system certifications, documented procedures for supplier-service assessment, corrective actions, and complaint handling. Its stated production information includes 800,000 solar energy system sets annually and one production line, while another record reports 21–30 quality-control staff. The supplier supports extensive customization, has introduced new products within the past year, provides ODM services, and offers OEM services for well-known brands. It reports one-month lead times in both peak and off-peak seasons and exports to multiple global regions. However, it has no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Financial records are indicated for recent years, but no substantive financial performance details are provided. Customer cases are not...

CertificationsThe supplier reports ISO9001:2015 and ISO14001 management-system certifications. Product compliance is recorded only as “Others,” without naming specific product certifications or standards, so management certification is evidenced but product-certification coverage is incomplete.

R&D capabilityThe supplier reports that it introduced new products during the past year and provides ODM services. It has no available SDK, but SDK availability is not necessary evidence for general product innovation, so the documented new-product activity supports this capability.

Production capacityThe supplier reports annual output of 800,000 solar energy system sets, one production line, and a one-month lead time in both peak and off-peak seasons. It also reports 21–30 quality-control staff in one record, while another lists four quality assurance and control inspectors; the differing counts create some workforce-data inconsistency, but production volume and lead-time information are explicitly provided.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently across the R&D and design-service records, demonstrating broad customization coverage.