Shenzhen Desay Battery Technology

What Shenzhen Desay Battery Technology does

Huizhou Desay Battery Co., Ltd., operating under the 'Desay Battery' brand, is a Chinese battery and energy storage manufacturer headquartered in Huizhou, Guangdong Province, and a subsidiary of the diversified Desay Group conglomerate. The company operates three core business segments: (1) 3C Consumer Electronics and Small/Medium Power lithium battery modules for smartphones, notebooks, smart wearables, drones, and IoT devices supplied to global top-tier consumer electronics brands through long-standing direct enterprise relationships; (2) Energy Storage, covering the full spectrum from battery cells and modules through residential, commercial & industrial, utility-scale grid-side, and data center UPS systems, executed via dedicated subsidiary Desay Smart Storage (德赛智储); and (3) Intelligent Assembly, providing end-to-end smart hardware OEM manufacturing services including the mass-produced robotic vacuum cleaner line.

The company runs four industrial parks — Huizhou Zhongkai (primary HQ), Huizhou Huinan, Changsha Wangcheng (energy storage cell project), and Bắc Giang, Vietnam — totaling over 480,000 square meters of built area and employing more than 6,500 people. Core technology is centered on industry-leading lithium battery development and high-end packaging, high-end smart hardware whole-machine assembly, and self-developed automated production lines described as 'globally leading.' The intellectual property base includes 464 patents and a 227-person R&D team. Certifications span ISO 9001, ISO 14001, IATF 16949, ISO 13485, IECQ QC 080000, and CNAS laboratory accreditation, and the company holds BloombergNEF Tier 1 Global Energy Storage Manufacturer status across multiple 2025 quarters.

Revenue is generated through B2B hardware sales across all three segments, with quote-based enterprise pricing and no public list pricing. Distribution runs through direct enterprise field sales teams plus dedicated subsidiary channels for storage, supplemented by international partnership agreements in Hungary (Hyt Enerji), Finland (Lehto Group), and MENA (German DOS GmbH). The company is publicly traded on the Shenzhen Stock Exchange under ticker szse:000049 and operates as a wholly-owned subsidiary within the Desay Group corporate structure, with no venture or private equity ownership disclosed.

Name

Shenzhen Desay Battery Technology

Legal name

惠州市德赛电池有限公司

Website

https://desaybattery.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Desay Battery is a Chinese manufacturer of lithium battery packs for global consumer electronics brands and integrated energy storage systems (residential, C&I, grid-scale, data center UPS), operating four industrial parks in China and Vietnam with 6,500+ employees and serving as a BNEF Tier 1 storage manufacturer.

Ownership category

akta.pro rank

Product category

Lithium Battery Manufacturing

NAICS

Battery Manufacturing (33591)

SIC

Electronic Components & Accessories (3670)

akta.pro primary industry

Battery Pack Manufacturing & Module Assembly (EUAFABAI)

akta.pro secondary industries

Battery Modules & Packs (Industrial/Commercial pack assembly) (IMAGAHAB), Battery Management Systems (BMS) & Battery Electronics (IMAGAHAC), Batteries & Battery Packs (Rechargeable/Primary, Device-Specific Packs) (CRACATAG)

Keywords

• Lithium battery manufacturing
• Consumer electronics batteries
• Energy storage systems
• Battery pack assembly
• Smart hardware integration

Headquarters

HQ city

Nanshanqu

HQ country

China

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Lithium Battery Products (3C Consumer Electronics & Small/Medium Power): Design, manufacturing, and sale of lithium battery modules and packs for smartphones, notebooks, smart wearables, smart home devices, smart mobility, drones, and IoT devices. Long-standing core business with stable growth.
2. Energy Storage Systems & Solutions: Cell/module sales, battery PACK, system integration, and turnkey energy storage solutions covering residential, C&I, utility-scale grid-side, and data center UPS applications. Includes subsidiary Desay Smart Storage (德赛智储) focused on storage system integration.
3. Intelligent Assembly (Smart Hardware Integration): End-to-end smart hardware assembly services including product design integration, system assembly, and full-system turnkey manufacturing for intelligent devices.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Shenzhen Desay Battery Technology (legal entity Huizhou Desay Battery Co., Ltd.) designs, manufactures, and sells lithium battery modules and packs for 3C consumer electronics (smartphones, notebooks, smart wearables, smart home, drones, IoT), full-spectrum energy storage systems (cells/modules, residential, C&I, grid-side, data center UPS, containerized storage), and intelligent hardware assembly services. The company serves global top-tier consumer electronics brands via direct B2B contracts and delivers integrated energy storage solutions to utilities, project developers, and C&I customers worldwide.

Product overview

Desay Battery operates as a multi-product battery and energy storage solution provider with three core business segments: (1) 3C Consumer Electronics and Small/Medium Power batteries for smartphones, laptops, smart wearables, smart home, drones, and IoT devices; (2) Energy Storage covering battery cells/modules, UPS backup power, residential storage, commercial/industrial storage, EV charging integrated cabinets, and container storage systems; and (3) Intelligent Assembly provided through subsidiary Huizhou Desay Battery Intelligent Energy Storage Technology Co., Ltd., offering BMS/EMS design integration and full-system energy storage solutions. The company positions itself as a global first-tier new energy solution provider and professional manufacturer of related electronic products.

Differentiator

Problem solved

Functional benefit

Brands

• 德赛智储 (Desay Intelligent Energy Storage): Subsidiary specializing in energy storage solutions covering household energy storage, station energy, data center UPS, large-scale and industrial-commercial energy storage systems.
• Desay EST (德赛智储)

Products and services

• 3C Consumer Electronics and Small/Medium Power Batteries (3C消费电子与中小动力) Lithium battery packs for smartphones, laptops, smart wearables, smart home devices, smart mobility, drones, and other consumer electronics. The company collaborates with global top consumer electronics manufacturers and global leading cell manufacturers to deliver battery modules and packs.
• Energy Storage Systems (储能) Complete energy storage product line including battery cells/modules, UPS backup power, residential storage, commercial/industrial storage, EV charging storage integrated cabinets, and container energy storage systems.
• Intelligent Assembly (智能装配) Provided by subsidiary Huizhou Desay Battery Intelligent Energy Storage Technology Co., Ltd. (德赛智储). Covers residential storage, site energy, data center UPS, large-scale and C&I energy storage. Offers customized products and full-system energy storage integration solutions including BMS/EMS design, integration, and testing.
• Desay Smart Storage (德赛智储) Subsidiary — Energy Storage System Integration Subsidiary specializing in energy storage system integration, covering residential storage, site energy, data center UPS, large-scale and C&I storage. Provides customized products and full-system integration solutions including BMS/EMS design, integration, and testing.

Quantifiable outcome

• Zhongkai plant reduced carbon emissions from ~27.9万吨 to ~14.1万吨 CO2 (49% reduction vs 2020 baseline) by 2025, on track for 30% reduction by 2030
• +3 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Five partnerships are on record, tiered core, significant and supporting.

• Suining County Suicheng Subdistrict Office, Jiangsu Province (江苏省睢宁县睢城街道办事处)coreStrategic or Co-development Partner · 18 July 2025Desay Battery subsidiary Desay Smart Storage (德赛智储) co-signed a 300MW/600MWh independent energy storage power station agreement with Suicheng Subdistrict Office. This is a grid-side energy storage project that marks a solid step in promoting energy structure transformation and green low-carbon development.
• DOS GmbH (德国DOS公司)significantStrategic or Co-development Partner · 19 May 2025Desay Battery partnered with German DOS company to jointly drive energy transition in the Middle East and North Africa region. Gulf countries (Saudi Arabia, UAE) have launched '2030 Vision' and '2050 Zero Emissions Strategy', and DOS provides a bridge for Desay Battery's energy storage solutions to enter the MENA market.
• Lehto Group (芬兰Lehto集团)significantStrategic or Co-development Partner · 19 May 2025Desay Battery partnered with Finnish Lehto Group to expand into Nordic energy storage markets. Finland's wind power capacity has exceeded 4GW, and the intermittency of wind power combined with the limitations of traditional pumped storage has created urgent demand for battery energy storage systems.
• Hyt Enerji (匈牙利)significantGTM or Marketing Partner · 1 May 2025Desay Battery signed Hungary's first framework purchase agreement with Hyt Enerji, marking entry into the European market. Hungary's government has launched the National Energy Sovereignty Plan and National Battery Strategy 2025, targeting 12GW solar installation and 800MW–1GW of energy storage by 2030.
• Huizhou Customs (惠州海关)supportingOthers · 1 January 2023Desay Battery maintains cooperative relationship with Huizhou Customs for efficient customs clearance services, facilitating overseas expansion. Senior VP Guo Qingming and team presented a commendation banner and thank-you letter to the customs bureau.

Scale indicators10 records

Recent moves11 records

Expansion highlights6 records

Broad incumbents

• BYD: Vertically integrated Chinese power/ESS battery and EV manufacturer with massive scale in cells, packs, and grid-scale storage (BYD Energy Storage). Competes broadly in energy storage tenders and indirectly in 3C via its component businesses.
• Tianneng Power International: Chinese battery group historically focused on lead-acid and now expanding into lithium energy storage and EV batteries. Adjacent competitor in industrial ESS and backup power applications with broader battery product portfolio.
• CATL: World's largest battery manufacturer with dominant cell production and growing ESS system integration. Competes with Desay across both consumer cell supply and downstream pack/system integration, with vastly greater scale and cell-side economics.
• Sungrow: Global leader in PV inverters that has expanded deeply into energy storage systems (Sungrow ESS). Competes with Desay in C&I and utility-scale ESS tenders and has stronger international brand recognition in solar+storage projects.

Direct peers

• Sunwoda Electronic: Chinese battery pack manufacturer with parallel structure: 3C consumer electronics battery packs (smartphones, notebooks, wearables) plus a growing energy storage systems business. Closest head-to-head competitor in pack assembly for global consumer electronics brands and in emerging ESS markets.
• BAK Battery: Shenzhen-headquartered lithium battery manufacturer covering consumer cells, power batteries, and energy storage. Competes with Desay in 3C lithium battery pack assembly and emerging ESS applications, including international markets.
• Pylon Technologies: Specialized lithium iron phosphate energy storage battery manufacturer focused on residential, C&I, and telecom backup applications. Competes with Desay in the residential and small-to-mid C&I ESS segment globally.
• EVE Energy: China-based lithium battery manufacturer covering consumer cells, power/ESS battery cells, and energy storage systems. Comparable in serving both portable electronics and grid-scale/C&I storage with vertically integrated cell-to-system capabilities.
• Coslight Technology: Chinese manufacturer of lithium batteries for consumer electronics (3C) and energy storage with pack assembly capabilities. Directly comparable in serving telecom backup, power, and consumer segments with similar B2B enterprise sales motion.
• Highstar Battery: Chinese battery manufacturer with strong presence in energy storage systems (residential, C&I, grid-side) and lithium cells, directly competing in the same ESS project tender markets where Desay is pursuing BNEF Tier 1 positioning.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/shenzhen-desay-battery-technology-co-ltd

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Shenzhen Desay Battery Technology