What is the switching time for on/off-grid operations?

The system supports on/off-grid switching time of less than 10ms, far outperforming the industry's standard second-level switching.

What is the cycle life and efficiency of the battery system?

The LiFePO4 batteries offer a cycle life of over 6,000 cycles at 80% DOD and achieve an overall efficiency of above 90%.

300kwh Industrial Energy Storage System for Factory Power Use

Name: 300kwh Industrial Energy Storage System for Factory Power Use
Brand: Shandong Qiansheng Electric Power Equipment Engineering Co., Ltd.
SKU: 2133949492

Shandong, ChinaShandong Qiansheng Electric Power Equipment Engineering Co., Ltd.

US$528.00-8,862.00

1 Piece

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium Metal Battery

Cathode Material

NCM

Model NO.

QSGS

Rechargeable

Yes

Size

Large

Energy Storage Capacity (Kwh)

Customized

Output Power (Kw)

Customized

Cell Type

Ternary Lithium Battery/LFP Battery

Module Layout

Cabinet-Type Integration/Container-Type Integratio

Peak-Valley Arbitrage Mode

Customized

Demand Management Mode

Customized

Emergency Backup Power Mode

Customized

Protection Level

Customized

Air Cooling

Customized

Liquid Cooling

Customized

Fire Protection Configuration

Supported

Smoke & Temperature Sensing

Customized

Gas Fire Extinguishing System

Customized

Data Upload

Customized

Communication Interface

Customized

Transport Package

Wooden Box

Specification

customized

Trademark

Origin

Linyi City, Shandong Province

HS Code

8537109090

Production Capacity

5000PCS/Year

Key features

Sub-10ms Switching Speed: On/off-grid switching time is less than 10ms, ensuring uninterrupted power for critical loads.

High Efficiency MPPT: 360kW/3-channel MPPT boosts power generation efficiency by 8%-12% compared to narrow-range devices.

Scalable Modular Design: Modular design allows parallel expansion up to 3600kWh, balancing investment and future scalability.

Long Cycle Life: LiFePO4 batteries offer over 6,000 cycles at 80% DOD with overall efficiency above 90%.

Cost Reduction: Reduces peak demand and electricity costs by 20%-40% while increasing photovoltaic self-consumption.

Flexible Customization: Customizable energy capacity, output power, cooling modes, and protection levels to suit specific needs.

Integrated System: Combines LiFePO4 battery, PCS, MPPT, and generator port for a complete energy storage solution.

Company profile

Shandong Qiansheng Electric Power Equipment Engineering Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: Confidential CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.88h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional manufacturer in the electrical and electronics sector, with a 17,316 m² manufacturing plant, R&D, production, sales, and after-sales functions, plus stated quality-management controls. It offers broad customization and ODM services, uses CNC laser cutting, shearing, and bending equipment, and has documented procedures for finished-product inspection, service assessment, corrective actions, and complaint handling. Its business scope includes distribution and control equipment, metal structures, charging piles, charging infrastructure, and related power equipment. However, it reports no new products in the past year, no SDK, no overseas warehouse, showroom, agent or branch, or offline trade-show participation. Export-start information is confidential, overseas service coverage is recorded as zero, and the financial data provided are coded values without sufficient interpretable evidence. The materials do not establish certifications or specific customer cases.

Supplier typeThe supplier is identified as a professional manufacturer serving the Electrical & Electronics sector, with R&D, production, sales, and after-sales functions. Its stated business scope covers control equipment, metal structures, charging piles, charging infrastructure, and power facilities.

After-Sales capabilityThe company states that it provides after-sales service and has written procedures with records for service assessment, corrective and preventive actions, and customer complaints. However, it reports no overseas warehouse, showroom, agent or branch, and overseas service coverage is recorded as zero, limiting demonstrated international service reach.

Production capacityThe supplier reports a 17,316 m² manufacturing plant, CNC laser cutting, shearing and bending machines, standardized finished-product inspection instructions, and documented service procedures. It also reports peak- and off-season lead times within 15 workdays, supporting a positive assessment of stated production capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and separately states ODM availability. These repeated declarations provide direct evidence of broad customization capability.

Product Q&A

Q:Can the remote operation and maintenance monitoring function be customized?

Yes, it supports customizing an exclusive operation and maintenance platform to view real-time system operation data and receive fault alerts.

Q:Is extended warranty service provided after the warranty period expires?

Yes, 1-3 year extended warranty service is available, covering parts replacement, system maintenance, software upgrade, etc.

Q:Does the customized energy storage system support later capacity expansion?

Yes, expansion interfaces are reserved in the initial design, and energy storage modules can be added later as needed without replacing core components.

Q:Does the after-sales service include software upgrades?

Yes, free software iterative upgrade service is provided during the warranty period to ensure the system functions adapt to the latest policies and requirements.

Q:For customized systems in special scenarios such as high altitude/high temperature, what special guarantees are there for after-sales service?

Exclusive adaptive maintenance plans are provided, along with equipment inspection and wearing parts replacement services in special environments.