What is the expected lifetime of the solar panels?

The solar panels have a lifetime of up to 25 years.

Does the system support data monitoring?

Yes, it supports full lifecycle data storage, one-click installation, and dispatch.

What output waveform does the inverter provide?

The inverter provides a pure sine wave output.

Sunpal Solar Energy Systems 25Kw 20Kw 15Kw Off Grid Complete Solar System Kit

Name: Sunpal Solar Energy Systems 25Kw 20Kw 15Kw Off Grid Complete Solar System Kit
Brand: SUNPAL POWER CO., LTD.
SKU: 2153676385

Anhui, ChinaSUNPAL POWER CO., LTD.

US$0.30-0.50

10,000 Watt

Product profile

Customization

Available

After-sales Service

10 Years

Warranty

30 Years

Model NO.

SP-15-25KW-OFF

Condition

New

Certification

ISO, CB, CE, TUV; VDE

Application

Home

Specification

Normal

Output Voltage (V)

380-415V

Output Frequency

50/60HZ

Work Time (h)

24h

System Type

Off-grid Hybrid Solar Photovoltaic System

Solar panel

Topcon N Type Solar Panel

Inverter

Single Phase/Split Phase/3Phase

Battery

Lead Acid/LiFePO4 Lithium Battery

Mounting Structure

Home Solar Energy Generation

Technical Support

Complete Technical Support

Transport Package

Carton with Pallet

Specification

Home Off Grid Solar System 15-25KW

Trademark

Sunpal

Origin

China

HS Code

8501722000

Production Capacity

50sets/Day

Key features

30-Year Warranty Coverage: Comprehensive warranty protection for 30 years on the solar system.

10-Year After-Sales Service: Dedicated after-sales support available for 10 years.

Customized Mounting System: Mounting structure customized based on roof or ground installation needs.

99.9% MPPT Efficiency: Advanced MPPT technology ensures maximum energy harvesting efficiency.

Pure Sine Wave Output: Inverter provides clean AC sine wave output for safe equipment operation.

20-Year Battery Design Life: Deep Cycle Gel VRLA battery features a 20-year floating design life.

25-Year PV Panel Lifetime: Solar panels offer a guaranteed operational lifetime of up to 25 years.

Full Lifecycle Data Monitoring: System supports one-click installation, dispatch, and full data storage.

Company profile

Importers and ExportersExperienced TeamSelf-brandedExhibition Experience

SUNPAL POWER CO., LTD.

Anhui, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.14h

AI-Powered supplier vetting

SummaryThe supplier operates in solar, battery, power electronics, energy storage, and related electrical and automotive equipment businesses. It reports substantial solar and lithium-battery production infrastructure, including eight automated production lines, nearly 500 MW of annual solar module capacity, and annual lithium-battery throughput of 920,000 kWh. Customization is available across several models, and the supplier provides OEM services for well-known brands, but it does not provide 3D software design or ODM services and reported no new products in the past year. Quality resources include four inspection staff, but no quality-control testing equipment, and finished products are checked by packing staff. Service procedures exist, although records are incomplete or unavailable. Overseas service coverage is limited, with no overseas offices, agents, showrooms, or reported overseas-service countries.

Supplier typeThe supplier is a manufacturer and seller covering solar PV modules, lithium batteries, energy storage, power electronics, transformers, and related electrical equipment. Its described factory infrastructure and production activities support classification as a manufacturing supplier rather than a purely trading or service company.

R&D capabilityInnovation infrastructure appears limited: the supplier has one R&D engineer, no available R&D audit documentation, no SDK, no ODM service, no ERP/OA/CRM/SAP integration, and reported no new products in the past year. These are explicit limitations in documented R&D output and digital development support.

Production capacityThe supplier reports eight fully automated solar production lines, nearly 500 MW of annual solar-module capacity, and annual lithium-battery throughput of 920,000 kWh. However, quality testing equipment is reported as zero and finished products are checked by packing staff, so production scale is supported while production-quality control remains a concern.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM services for well-known brands. It does not provide 3D software design or ODM services, so customization is available but does not include every design-development model.