Lithium Battery Manufacturing Joint Venture-Why Choose OneSun?Solar Storage System OEM/ODM Factory Investment
Mar 03, 2026
Partner with ONESUN to Build Local Energy Storage Manufacturing Worldwide - Seeking Overseas Joint Venture Partners for Lithium Battery & Solar Storage Factory Projects
As the global energy transition accelerates and supply chains continue to regionalize, simple import-export trading models are no longer sufficient to meet the demands of the next-generation energy market. Local manufacturing has become the key to securing long-term competitiveness in renewable energy infrastructure.
ONESUN (Shenzhen Yiguang Technology Co., Ltd.) is now actively seeking strategic overseas partners to jointly invest in and establish lithium battery assembly plants and all-in-one solar energy storage system factories in international markets.

With market-proven energy storage technology, military-grade quality control standards, and a mature global supply chain system, ONESUN empowers local partners to capture the historic opportunities created by global renewable energy transformation.
About ONESUN – Technology-Driven, Reliable, and Scalable
Founded in 2014, ONESUN has consistently focused on R&D and manufacturing of lithium energy storage batteries and solar inverters. We are not just a battery supplier - we are a comprehensive solar energy storage solution provider with strong system integration capabilities.
Top-Tier Technical Team
Our core engineers come from industry leaders such as BYD and CATL, as well as reputable Chinese military power supply enterprises. This deep expertise ensures advanced battery cell application, BMS strategy optimization, and system integration excellence.

Differentiated Technology Advantage
Inspired by military battery design philosophy, ONESUN products are known for:
* Easy maintenance structure
* High reliability performance
* Optimized BMS control strategies
* Reduced lifecycle operation and maintenance cost
All products follow automotive-grade safety standards to ensure stable operation even in harsh environments.
Full Product Coverage
Our product portfolio includes:
* Solar inverters from 250W to 125kW
* Lithium battery storage systems from 1kWh to 5MWh
* Residential, commercial & industrial (C&I), and utility-scale solutions
* All-in-one solar storage systems

We provide scalable OEM & ODM lithium battery solutions for global B2B customers.
Joint Venture Cooperation Model – Complementary Strengths, Shared Investment
Globalization today is no longer just about exporting products - it is about localizing manufacturing and services.
ONESUN is not looking for simple contract manufacturing relationships. We are seeking long-term strategic shareholders and joint venture partners who share the vision of localized energy manufacturing.

We Are Looking for Overseas Partners Who Have:
1. Strong Local Sales Channels
Deep understanding of residential, commercial, industrial, or utility energy markets.
2. Government & Utility Connections
Established relationships with local governments, power companies, industrial parks, or EPC contractors.
3. Policy & Regulatory Expertise
Familiarity with local investment regulations, import tariffs, renewable energy subsidies, and compliance frameworks.
What ONESUN Provides as the Chinese Technology Partner
#1. Technology Licensing & R&D Support
* Advanced lithium battery pack design
* Inverter core technology
* Energy storage system integration solutions
* Full technical drawings and engineering documentation
#2. Global Supply Chain Integration
* Access to core battery cells
* Electronic components procurement support
* Bulk purchasing cost advantages
* Stable and scalable supply capacity
#3. Turnkey Factory Setup & Training
* Factory layout planning
* Assembly line construction guidance
* Production process management system
* Technical training for local teams
#4. Brand Authorization & OEM/ODM Manufacturing
* Use of ONESUN brand (optional)
* Customized OEM & ODM battery pack solutions
* Market-specific product development

Why Build Overseas Now? Five Core Advantages
Establishing a local lithium battery and solar storage factory with ONESUN means more than relocating production - it means upgrading your company's strategic position.
1. Cost Optimization
* Reduced import tariffs on finished systems
* Lower international shipping costs
* Competitive local labor and land expenses
* Improved product pricing competitiveness
2. Policy Incentives & Market Access
With increasing "local content" requirements in Europe, North America, and emerging markets, localized production enables:
* Tariff avoidance strategies
* Eligibility for government subsidies
* Access to national renewable energy tenders
* Green procurement qualification
3. Technology Leadership
Instead of starting from zero, partners gain immediate access to:
* Proven "easy maintenance" battery architecture
* Automotive-grade safety control systems
* Optimized BMS and system integration technology
This creates a clear technological advantage in regional markets.
4. Priority in Local Government Projects
Many large-scale renewable energy projects now require local manufacturing presence. A local joint venture factory significantly increases eligibility for public infrastructure bids and utility-scale storage projects.

5. First-Mover Market Advantage
Being among the first localized solar storage manufacturers in your region allows you to:
* Establish strong brand recognition
* Build trusted local service standards
* Offer faster after-sales response
* Create a competitive moat against pure import traders
ONESUN Global Expansion Footprint
ONESUN's "Global Agile Factory Program" is rapidly expanding.
We have successfully signed joint venture agreements and established local factories with partners in:
* Nigeria
* South Africa
* Zimbabwe
Through a "standardized technology platform + localized adaptation" model, we have achieved rapid replication and efficient implementation.
We are also actively exploring strategic deployment opportunities in Morocco to serve the European and North African renewable energy markets.
Are You the Next Strategic Partner?

If you believe in the future of localized energy storage manufacturing and want to collaborate with a technology-driven, stable, and reliable Chinese renewable energy company, ONESUN is ready to build together.
Let us combine your local market strengths with our technology, supply chain, and manufacturing expertise to co-invest in overseas lithium battery factories and share the long-term benefits of the global energy transition.
Contact ONESUN today to discuss joint venture solar battery factory opportunities.
Article Source: Lithium battery manufacturer - ONESUN China
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