What warranty is provided?

The product comes with a warranty of 5 or 10 years.

What after-sales service is available?

Yes, after-sales service is provided, including solar system installation training.

What is the lead time for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Topcon Solar Panel 15kw Energy Storage System 3phase 20kwh 20kw 15000W Home Solar Energy System

Name: Topcon Solar Panel 15kw Energy Storage System 3phase 20kwh 20kw 15000W Home Solar Energy System
Brand: WONVOLT HOLDINGS LIMITED
SKU: 2136717505

Anhui, ChinaWONVOLT HOLDINGS LIMITED

US$0.37-0.48

1 Piece

Sample price:US$0.43/wp.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

5/10 Years

Model NO.

WV-15KW-20KWh-RT

Condition

New

Certification

ISO, CB, CE, TUV /IEC

Application

Home, Industrial, Commercial, Micro Grid

Specification

Normal

Cycle Life

10000 Times Lithium Battery 48V

Nominal Capacity

20kwh 30kwh 40kwh

Home Solar System Application

Residential Home Solar Power System

Certificate

CE IEC TUV En50549 VDE0126 VDE4105

AC Output

380V/400V/415V

Solar Panel

A Grade Black Frame 425W 440W 445W

Battery Type

LiFePO4/Lithium Battery 48V

Battery Capacity

10kwh 15kwh 20kwh 30kwh 40kwh

Manufacturer

Yes

PV Inputs

2/2 Mppts

Support

UPS Function

Cooling

Smart Air Cooling

PV Cable

4mm2 or 6mm2

Training

Solar System Installation

Mounting

Metal Rooftop, Tile Roof or Ground

Transport Package

Wooden Box

Specification

N type solar panel

Trademark

WonVolt

Origin

China

HS Code

8501722000

Production Capacity

50000sets/Year

Key features

Multi-Capacity Options: Available in 20kWh, 30kWh, and 40kWh battery capacities to suit different needs.

High Cycle Life: LiFePO4 battery offers a cycle life of up to 10,000 times for long-term durability.

Comprehensive Certifications: Certified by CE, IEC, TUV, En50549, and VDE standards for safety and compliance.

Versatile Applications: Suitable for residential, industrial, commercial, and micro-grid energy storage systems.

Smart Cooling System: Equipped with smart air cooling technology for efficient thermal management.

UPS Function Support: Provides uninterrupted power supply functionality for critical load protection.

Flexible Mounting: Supports metal rooftop, tile roof, or ground mounting structures for installation.

Remote Monitoring: Includes WIFI remote monitoring capabilities for real-time system management.

Company profile

WONVOLT HOLDINGS LIMITEDAnhui, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2016-04-01Nearest Port: ShanghaiAverage Response Time: ≤2.90hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryWonVolt is identified as a China-based manufacturer/factory and group corporation focused on industrial, commercial, and utility-scale energy-storage and solar solutions. It reports two factories, seven production lines, 87 employees including 24 engineers, 11–20 quality-control staff, and broad export coverage, with 90% of sales from exports. The supplier holds ISO 9001, ISO 14001, and OHSAS/OHSMS 18001 certifications. It states that it provides pre-sale field investigation and post-sale installation support, including commissioning and technical training. Reported lead times are within 15 workdays during off-peak periods and one month during peak periods. The available information supports production, service, certification, and customization strengths, but does not provide sufficient evidence of financial credibility or specific customer cases.

Supplier typeWonVolt is explicitly described as a Manufacturer/Factory and Group Corporation, with two factories in Hefei and a stated specialization in industrial and commercial energy-storage solutions. This directly supports classification as a manufacturing supplier rather than only a trading intermediary.

CertificationsThe supplier reports holding OHSAS/OHSMS 18001, ISO 9001, and ISO 14001 certifications. These stated management-system certifications provide explicit evidence of established occupational safety, quality, and environmental management systems.

After-Sales capabilityWonVolt explicitly states that post-sales engineers can provide on-site installation assistance, commissioning tests, and technical training when required by clients. This is direct evidence of after-sales technical support capability.

R&D capabilityWonVolt reports 50 total R&D-engineer experience, 24 engineers among 87 employees, and more than nine years specializing in industrial and commercial energy-storage solutions. Its statement that each system is uniquely designed supports solution-development capability, although no patents, proprietary technologies, or quantified R&D achievements are provided.

Production capacityThe supplier reports two factories, seven production lines, 87 employees, 11–20 quality-control staff, and lead times of within 15 workdays off-peak and one month during peak season. These details explicitly indicate established production capacity and defined fulfillment capability.

Customization capabilityWonVolt states that every system is uniquely designed and provides pre-sale engineers for on-site field investigation to ensure solutions fit client requirements. Its portfolio spans batteries, inverters, solar panels, accessories, and industrial, commercial, utility-scale, and home solutions, supporting a broad customization offering.