Global Expertise

A perfect blend of global experience andexpertise to further our focus on technology.

Our Services

With 3GW+Total successful projects completed and a customer satisfaction rate of 90%, our personalized consultations and···

Capacity

With a robust production capacity of 768MW+Annual Production, we boast the capability to meet market demands effectively···

Advantages

ONESUN regard quality & safety as our lifeline. For batteries, we only use Class A LiFePO4 batteries from China'···

ABOUT US

ABOUT US

Since its establishment in 2014,ONESUNhas focused on manufacturing energy storage batteries and inverters, providing customers with a complete range of photovoltaic energy storage products. Our core technical personnel come from leading domestic companies such as BYD, CATL, and military-grade power supplies. Our easy-to-maintain technology is based on military battery design concepts, and our safety levels meet automotive-grade standards. Our products include inverters ranging from 250W to 125KW and lithium batteries from 1kWh to 5MWH.ONESUNplans to find local partners globally to build factories overseas and assemble lithium batteries and integrated photovoltaic-energy storage products locally. We sincerely seek overseas partners to jointly build factories abroad. This collaboration will leverage the strengths of both parties, taking advantage of local manufacturing.ONESUN, as the Chinese partner, possesses advantages in R&D, production, and assembly technology, as well as supply chain integration. Our overseas partners possess advantages in local sales channels, local networks, and understanding of local policies. This complementary strength will lead to a win-win cooperation.Why cooperate in building a factory, and what benefits will both parties gain?1) Cost Advantage: Lower raw materi...

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PRODUCTS
Hot products and fast selling products in the market
Telecom Base Station Battery-R-51.2V 200AH-Communication rack battery
Telecom Base Station Battery-R-51.2V 200AH-Communication rack battery

The R-51.2V 200AH (10.44kWh) rack-mounted battery for telecom base stations is d···

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Pay-As-You-Go & Rent-To-Own Energy Storage-MSF-250W 1kWh (4g+Paygo)
Pay-As-You-Go & Rent-To-Own Energy Storage-MSF-250W 1kWh (4g+Paygo)

ONESUN's PayGo/Pay-as-you-go and Rent-to-Own models represent a crucial explorat···

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All-In-One Solar Energy Storage System –10kW-20kWh
All-In-One Solar Energy Storage System –10kW-20kWh

ONESUN All-in-One Solar Energy Storage System – SSI-10kW/20kWhHarness the full ···

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Lithium Iron Battery-51.2V 400AH
Lithium Iron Battery-51.2V 400AH

High‑Efficiency Energy ConversionSupports photovoltaic (PV) input, with output ···

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Rack-Mounted LiFePO4 Battery for Base Stations
Rack-Mounted LiFePO4 Battery for Base Stations

High-reliability 48V 200Ah (9.6–10.44kWh) telecom lithium iron battery for base···

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Lead-acid Replacement Battery
Lead-acid Replacement Battery

Safety & Stability: Uses LiFePO₄ cells with high thermal stability, ensuring sa···

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Solar Inverter 3KW-SHF
Solar Inverter 3KW-SHF

Solar Inverter 3KW Factory Direct Supply Solar Power Mppt High Frequency 3KW off···

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Smart BESS Cabinet 100kW 215kWh / 241kWh
Smart BESS Cabinet 100kW 215kWh / 241kWh

CAO-100KW 241KWH Brand can be OEM or ONESUN. Customization is supported (product···

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NEWS
OUR COMPANY'S SUCCESSFUL PROJECTS AND PRODUCTS
Build Solar Energy Storage Factory Now – Capture the Global Market Opportunity

2026-03-27

Build Solar Energy Storage Factory Now – Capture the Global Market Opportunity

The energy storage boom is here. Build your local solar battery factory with ONE···

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How to Build a Lithium Battery Factory Fast | Turnkey BESS & Solar Factory Solution

2025-02-05

How to Build a Lithium Battery Factory Fast | Turnkey BESS & Solar Factory Solution

Learn how to build a lithium battery factory quickly with ONESUN turnkey solutio···

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From Export to Local Manufacturing – Build Solar Battery Factory with ONESUN

2025-02-05

From Export to Local Manufacturing – Build Solar Battery Factory with ONESUN

Transition from solar product export to local manufacturing. ONESUN helps you bu···

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Solar Factory Joint Venture Benefits – Build Local LiFePO4 Battery & BESS Production

2025-02-05

Solar Factory Joint Venture Benefits – Build Local LiFePO4 Battery & BESS Production

Explore the benefits of building a solar battery factory through joint ventures.···

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Why Choose ONESUN as Your Solar Battery Factory Partner | LiFePO4 & BESS Manufacturer

2025-02-05

Why Choose ONESUN as Your Solar Battery Factory Partner | LiFePO4 & BESS Manufacturer

Looking for a reliable solar battery factory partner? ONESUN offers OEM/ODM LiFe···

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Build Solar Battery Factory Overseas – Why Local Manufacturing is the Future of Energy Storage

2025-02-05

Build Solar Battery Factory Overseas – Why Local Manufacturing is the Future of Energy Storage

Discover why building a local solar battery factory is the key to winning global···

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