What is the lead time for production?

Lead time is 1-3 months during peak season and one month during off-season.

What payment methods are accepted?

Accepted payment methods include LC, T/T, D/P, PayPal, Western Union, and Money Gram.

What is the maximum charging current?

The maximum charging current is 150A for solar and AC combined, with a module max of 230A.

Stackable 20kw Home Use Residential off-Grid Solar Energy System

Name: Stackable 20kw Home Use Residential off-Grid Solar Energy System
Brand: Guangzhou Shiyang Energy Technology Co., Ltd.
SKU: 2179359795

Guangdong, ChinaGuangzhou Shiyang Energy Technology Co., Ltd.

US$3,472.00

10-49 Pieces

US$3,298.00

50+ Pieces

Sample price:US$3500.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

POW11KW-22KWH

Rechargeable

Chargeable

Discharge Rate

Customized

Size

Customized

Accessories Type

Battery, Customized

Rated Capacity

Customized

Standard Voltage

Customized

Usage

Customized

Electrolyte

Li-ion

Weight

125kgs

Warranty

10years

Cycle Life

5000+

Nominal Capacity

230ah

Cell Type

LiFePO4

Inverter

11kw

Compatibility

Solar/Grid Charging, Generator Support

Transport Package

Plywood Case

Trademark

POWRISE/OEM

Origin

China(Mainland)

Production Capacity

500 PCS /Month

Key features

High-Performance Inverter: 11kW output power with 22kW peak power capability for heavy-duty appliances.

Large Energy Capacity: 23.4kWh total capacity using two 11.7kWh LFP battery modules.

Long Cycle Life: Over 6000 cycles at 0.5C discharge rate for extended durability.

Customizable Discharge Rate: Discharge rate can be customized to meet specific energy needs.

Customizable Size: System size is fully customizable for various installation requirements.

Customizable Rated Capacity: Rated capacity can be adjusted to fit different power consumption profiles.

Customizable Standard Voltage: Standard voltage options are available to match local grid standards.

Comprehensive Warranty: 10-year warranty coverage for peace of mind and long-term reliability.

Company profile

Importers and ExportersCustomization from SamplesR&D CapabilitiesProduct Certification

Guangzhou Shiyang Energy Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2019-09-06Nearest Port: Nansha, Huangpu, ShenzhenAverage Response Time: ≤2.51hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP

AI-Powered supplier vetting

SummaryThe supplier offers ODM and multiple forms of customization, supported by two R&D engineers and available design documentation. It has quality assurance, material traceability, six quality-control test devices, in-stock capability, and self-managed import/export rights. However, it does not provide 3D software design, has no new products reported in the past year, lacks written corrective-action and complaint-handling procedures, and has no overseas agents, branches, warehouse, or showroom. It holds CCC certification, but the provided information does not establish broader certification coverage. Financial records are identified for 2022–2024, but no assessable financial results are provided. No Fortune 500 cooperation or popular-brand OEM experience is reported.

Supplier typeThe supplier provides ODM services, offers flexible and full customization, and has self-managed import/export rights. It does not operate overseas agents or branches and reports no overseas service countries, indicating a primarily domestic-base supplier with export capability rather than an international service network.

CertificationsCCC certification is explicitly reported for sustainable development/product certification capability and product compliance with standards. No additional certifications are identified in the provided slices, so the evidence supports CCC holding but not broader certification strength.

After-Sales capabilityThe supplier has no written procedures or records for corrective and preventive actions or customer complaint handling. It also lacks overseas agents, branches, warehouses, and showrooms, while its supplier-service assessment process and approved-supplier list are undocumented, indicating material gaps in formal service infrastructure.

Production capacityProduction-related evidence includes die sorting, spot welding, and heat sealing equipment, inventory capability, one quality-control inspector, six test devices, one-month average lead times in both peak and off-season, and raw-material traceability. Weaknesses include no valid manufacturing contract with related subcontractors, no warehouse-control process found on site, and finished-product inspections recorded by instruction without written records.

Customization capabilityThe supplier explicitly offers flexible, minor, full, design-based, and sample-based customization. Two R&D engineers are assigned to flexible customization, providing direct support for tailored products, although 3D software design is not available.

Client casesThe supplier reports no OEM work for popular brands and no collaboration with Fortune 500 companies. The provided information therefore does not demonstrate notable reference customers or major-brand case experience.