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

50ah 51.2V I Ntelligent BMS Energy Storage Battery for Communication

Name: 50ah 51.2V I Ntelligent BMS Energy Storage Battery for Communication
Brand: Nanjing Oulu Electric Corp., Ltd.
SKU: 1917120026

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

2.56kwh

Model NO.

OLU4850-A1

Max Charge Current

50ah

IP Rating

IP20

Communication Port

Can/RS485

Self Discharge

Less Than 3%

Altitude

0~ 4000m(Derating Over 2000m)

Cycles

6000 Cycles 80%Dod.@25℃

Expandable Capacity

15p

Battery Voltage Range

43.2-57.6V

Transport Package

Carton Box

Specification

OL-51.2V 50AH

Trademark

olu

Origin

China

HS Code

8507600090

Production Capacity

50000

Key features

6000 Cycles Lifespan: Long cycle life with 6000 cycles at 80% DOD under 25C conditions.

Intelligent BMS Protection: Multiple protections including over/under voltage, current, short-circuit, and temperature control.

Expandable Capacity: Supports parallel connection with expandable capacity up to 15 units for total 80kWh.

Remote Monitoring: Enables APP remote monitoring and cloud platform intelligent management.

OEM and ODM Service: Full customization available from samples, designs, and flexible customization options.

Wide Communication Ports: Supports CAN and RS485 communication protocols for system integration.

Low Self-Discharge Rate: Self-discharge rate is less than 3% per month for efficient energy retention.

High Altitude Performance: Operates up to 4000m altitude with derating applied over 2000m.

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: ≤9.84h

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.