Can you do OEM or ODM service?

Yes, we have R&D department and accept OEM and ODM service.

18 MONTH warranty, technical support available, we always try our best to help customers to solve problems

Lithium-Ion Battery 5kwh of off Grid Home Energy Storage System

Name: Lithium-Ion Battery 5kwh of off Grid Home Energy Storage System
Brand: Nanjing Oulu Electric Corp., Ltd.
SKU: 1945137291

Jiangsu, ChinaNanjing Oulu Electric Corp., Ltd.

US$799.00

10-49 set

US$785.00

50+ set

Sample price:US$799.00/piece.Request sample

Product profile

Customization

Available

Normal Voltage

51.2V

Rated Energy

5.12kwh

Model NO.

OULU-5000A

Max Charge Current

100ah

IP Rating

IP20

Battery Voltage Range

43.2-57.6V

Communication

Can RS485

Expandable Capability

15p

Transport Package

Carton Box

Specification

OL-51.2V 100AH

Trademark

Origin

China

Production Capacity

50000

Key features

Long Cycle Life: LFP battery offers over 6000 cycles at 80% DOD for extended durability.

Modular Design: Stackable and expandable up to 15 units for flexible energy capacity.

Smart BMS Protection: Independent battery management system ensures safety against over-voltage and short circuits.

Remote Monitoring: Supports GPRS, WiFi, and RS485 for real-time data tracking and firmware upgrades.

OEM and ODM Service: Full customization available with dedicated R&D department support.

Safety Certification: CE certified with UN38.3 test report for safe transport and usage.

Cobalt-Free Chemistry: Lithium Iron Phosphate (LFP) battery ensures high safety and efficiency.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Years of Export Experience

Nanjing Oulu Electric Corp., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.48h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory engaged in research and development, production, sales, installation, and technical services for electric vehicles, accessories, lighting systems, and related equipment. It reports CE product certification and ISO9001:2015, ISO14001, and ISO45001:2018 management-system certifications. Evidence indicates broad customization, ODM/OEM services, SDK availability, recent new-product development, and extensive assembly and testing facilities. The supplier has exported for 18 years, reports peak- and off-season lead times within 15 working days, and maintains documented quality and supplier-management procedures. Its overseas service infrastructure is limited: it reports no overseas warehouses, showrooms, agents, or branches, and serves zero overseas countries, although debugging is offered and offline trade-show participation is documented. Financial records are referenced for 2022–2024, but the provided slices do not include financial results or metrics.

Supplier typeThe supplier is explicitly identified as a factory. Its stated business scope includes R&D, production, sales, technical services, engineering design and construction, equipment installation, and import/export activities.

CertificationsThe supplier reports CE product compliance certification and ISO9001:2015, ISO14001, and ISO45001:2018 management-system certifications. These certifications provide explicit evidence of product and management-system compliance coverage.

After-Sales capabilityThe supplier lists debugging as an overseas service and has participated in the Shanghai New Energy Exhibition and Conference. However, it reports zero countries served overseas and no overseas warehouse, showroom, agent, or branch, indicating limited documented overseas service infrastructure.

R&D capabilityThe supplier reports new products within the past year, ODM services, available SDK support, and one national science and technology progress award. These are explicit indicators of product-development and technical innovation capability.

Production capacityThe supplier reports multiple dedicated production and testing facilities, including battery assembly and welding, OCV and aging testing, inverter assembly, wind-turbine assembly, and painting lines. It also reports documented finished-product inspection, 30 qualified service-capability suppliers, and lead times within 15 working days in both seasons.

Customization capabilityThe supplier explicitly offers customization from samples and designs, minor and full customization, and flexible customization. It also reports both ODM and OEM services, supporting a broad customization offering.

Client casesThe supplier reports OEM service for well-known brands and collaboration with Fortune 500 companies. These statements provide explicit customer-experience evidence, although no customer names, project details, or performance outcomes are provided.