How do you control product quality?

Products undergo inspection and functional testing before shipment. Key items such as output performance, charging function, interfaces, appearance and packaging are checked according to the applicable production and quality-control procedures.

Portable Battery Power Station 300W with 1004wh Large Energy Capacity

Name: Portable Battery Power Station 300W with 1004wh Large Energy Capacity
Brand: Xiamen Zhengshengyi Technology Co., Ltd.
SKU: 1998782011

Fujian, ChinaXiamen Zhengshengyi Technology Co., Ltd.

US$229.00

2-9 Pieces

US$209.00

10-49 Pieces

US$189.00

50+ Pieces

Product profile

Customization

Available

Nominal Capacity

1004wh

Size

261* 160 *303 mm

Model NO.

ZSY-CN-P1

Weight

12.42kg

Warranty

1year

Product Type

Portable Outdoor Power Supply

Rated Output Power

300W

Battery Energy

1004wh / 1.004kwh

Battery Voltage and Capacity

51.2V 20ah

Battery Type

LiFePO4 Battery

Battery Cycle Life

3000+ Cycles

Battery Management System

Built-in Smart BMS

AC Output Voltage

220 to 240V AC, 50/60Hz

Optional AC Output

220V/230V, 50Hz/60Hz Optional

AC Outlet Quantity

1 AC Outlets

Socket Type

Universal AC Socket

USB Fast-Charging Protocols

2 × USB-a: 5V/1A and 5V/2A

Type-C Output Power

USB-C 20W Max

Solar / DC Input

12 to 16V DC, Max 200W

Transport Package

Standard Export Carton with Protective Foam

Specification

300W, 220 to 240V AC

Trademark

ZSY

Origin

Fujian, China

Key features

Flexible Customization: Customizable battery capacity, voltage, socket type, logo, and packaging.

Comprehensive Safety Protection: Built-in BMS with overcharge, over-discharge, overvoltage, and short-circuit protection.

Multiple Output Interfaces: Includes AC, USB-A, Type-C (PD 30W/60W), and DC outputs for various devices.

Fast Charging Capability: Full charge in approximately 4-5 hours via AC, solar, or car charging.

Integrated LED Lighting: Built-in LED light bars for outdoor use, night work, or emergency lighting.

Global OEM/ODM Support: Professional team offers full customization and technical consultation worldwide.

Company profile

High Repeat Buyers ChoiceCustomization from DesignsProduct Certification

Xiamen Zhengshengyi Technology Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤1.22h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with R&D-based design capability and broad customization options, including customization from designs and samples. It has two production lines, in-stock capability, and 100% finished-product inspection, but only one quality inspector is reported. No supplier-management-system certification, overseas warehouse, overseas agents or branches, overseas showroom, or offline trade-show participation is documented. The supplier offers ODM services but does not provide 3D software design, SDKs, or OEM services for popular brands, and reported no new products in the past year. Manufacturing controls show gaps, including no valid manufacturing-capacity contract with related subcontractors, no ongoing quantity reconciliation, and no outsourcing SOP. Lead time is stated as within 15 working days in both peak and off-season periods. Customer cases or named customers are not provided.

Supplier typeThe supplier is explicitly identified as a professional technical supplier. Its stated business scope includes automatic control system devices, mechanical equipment, molds, metal-processing equipment, and related industrial products, while its company description emphasizes green energy and intelligent manufacturing.

After-Sales capabilityThe supplier has in-stock service capability, but reports no overseas warehouse, overseas showroom, overseas agents or branches, and service coverage in zero countries. These records show limited documented overseas after-sales infrastructure, while a complete after-sales service assessment is not provided.

R&D capabilityThe supplier has R&D capability and provides ODM services, but it reported no new products in the past year, no SDK availability, and no 3D software design service. This demonstrates some development capability but also explicit limitations in recent product innovation and supporting software resources.

Production capacityThe supplier operates two production lines, has in-stock capability, and performs 100% finished-product inspection. However, only one quality inspector is reported, there is no ongoing batch quantity reconciliation, no outsourcing SOP, and no valid manufacturing-capacity contract with related subcontractors, indicating documented production-control weaknesses.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from customer designs and samples, and also provides ODM services. These records directly support broad customization capability, although 3D software design is not available.

Product Q&A

Q:Do you provide OEM and ODM services?

Yes. We support customized specifications, voltage, socket type, interfaces, logo, color, packaging and user manuals. The minimum order quantity depends on the customization requirements.

Q:Can the products be shipped by sea or air?

Yes. We support shipment by sea, air, land transportation and international express. The most suitable method will be recommended according to the order quantity, destination and required delivery time.

Q:Can the product specifications be customized?

Yes. Battery capacity, output power, input voltage, AC socket type, charging interfaces and other functions may be customized after technical evaluation.

Q:What after-sales service do you provide?

We provide technical consultation, operating guidance, troubleshooting support and warranty service. For confirmed product-quality issues, we will provide an appropriate solution according to the actual situation and warranty terms.

Q:Can I order a sample before placing a bulk order?

Yes. Sample orders are available for product testing and market evaluation. The sample cost, shipping cost and import-related expenses are normally borne by the buyer.