Company profile
Shenzhen Desay Battery Technology Co., Ltd. is a verified Chinese manufacturer in the new-energy vehicle supply chain. Its documented manufacturing scope includes EV battery management systems and pack integration.
Products
Battery Management System (BMS)
The company has long specialized in lithium battery power management systems (BMS), providing battery management solutions for consumer electronics, small and medium motive power, motive power and energy storage scenarios; this is one of its core businesses.
Sampling channels: 256 ch; Balancing current: 300 mA; SOC accuracy: ±1 %; Communication protocol: CAN/SPI; High-voltage rating: 1500 V DC; Operating temperature: -40~+85 ℃; Protection rating: IP67
- Smartphones
- Notebook computers
- Smart wearables
- Power tools
- New energy vehicles
- Energy storage systems
Battery PACK Encapsulation and Integration
The lithium battery packaging and integration (PACK) business provides complete packaging and integrated manufacturing from cells and modules to battery packs; it is one of the company's core businesses.
Capacity: 100 Ah; Voltage: 3.7 V; Energy density: 250 Wh/kg; Cycle life: 2000 cycles; Protection rating: IP67; Operating temperature: -20~+60 ℃
- Smartphones
- Notebooks and tablets
- Smart wearables
- Power tools
- Smart home
- Drones
Consumer Electronics and Small/Medium Motive Power Batteries
Provides complete lithium battery BMS and PACK solutions for consumer electronics and small and medium motive power fields, holding a leading and high market share position in power management systems and packaging integration.
Capacity: 5000 mAh; Voltage: 3.6 V; Cycle life: 800 cycles; Operating temperature: -20~+60 ℃; Protection rating: IP54
- Smartphones
- Notebook computers
- Smart wearables
- E-cigarettes
- Power tools
- Smart home
- Drones
- AGV
- Medical devices
- Automotive start-stop
Motive Power Lithium Batteries
In the motive power lithium battery field, the company has gradually expanded its new energy vehicle lithium battery power management system business, as well as lithium battery power management system and packaging integration business for electric two-wheelers (e-bikes, electric motorcycles) and self-balancing scooters in the smart mobility sector.
Capacity: 120 Ah; Voltage: 3.7 V; Energy density: 240 Wh/kg; Cycle life: 1500 cycles; Protection rating: IP67
- New energy vehicles
- Electric bicycles
- Electric motorcycles
- Self-balancing scooters
- Smart mobility
Energy Storage Cells and Systems
The company actively expands upstream in the industrial chain and has entered energy storage cells; its energy storage cell products, researched, designed, manufactured and sold in house, feature high safety, long service life and high efficiency.
Capacity: 280 Ah; Voltage: 3.2 V; Cycle life: 6000 cycles; Energy density: 160 Wh/kg; Operating temperature: -20~+55 ℃
- Portable energy storage
- Telecom base station backup power
- Residential energy storage
- Data centers
- Medium and large industrial energy storage
Energy Storage Batteries and System Integration
Building on its energy storage battery power management system and packaging integration businesses, and cooperating with leading domestic enterprises, the company focuses on expanding 5G telecom base station, residential energy storage, portable energy storage and UPS data center power businesses, and has established full-process energy storage system integration capabilities.
Capacity: 100 kWh; Rated voltage: 768 V DC; Efficiency: 95 %; Cycle life: 6000 cycles; Protection rating: IP55
- 5G telecom base stations
- Residential energy storage
- Portable energy storage
- UPS data centers
- Commercial and industrial energy storage
System-in-Package (SIP) Modules
Specialized in the development, manufacturing and testing of system-in-package (SIP), with products covering lithium battery power management systems, consumer electronics, automotive electronics and IoT modules, and further expanding into RF communication and wafer-level packaging.
Package: SiP; Pin count: 128; Operating frequency: 77 GHz; Operating temperature: -40~+85 ℃; Dimensions: 12×12 mm
- Lithium battery power management
- Consumer electronics
- Automotive electronics
- Smart home
- Medical and elderly care
- Smart lighting
- Radar
- UWB
- 5G millimeter wave
Automotive Electronics Modules
Precision automotive electronics modules under the system-in-package (SIP) business, offering high integration and high reliability, with solid partnerships established with many world-class electronics companies.
Package: SiP; Operating temperature: -40~+125 ℃; Protection rating: IP67; Certification: AEC-Q100; Dimensions: 15×15 mm
- Automotive electronics
- Smart cockpits
- On-board power management
IoT Smart Sensing Modules
IoT smart sensing modules under the system-in-package (SIP) business, covering IoT domains such as smart home, medical and elderly care, and smart lighting.
Interface: I2C/SPI; Supply voltage: 3.3 V DC; Power: 5 mW; Operating temperature: -40~+85 ℃; Protection rating: IP65
- Smart home
- Medical and elderly care
- Smart lighting
- Internet of Things
Smart Hardware EMS
Building on its lithium battery products, the company further deepens multi-domain cooperation with terminal manufacturers, providing customers with smart assembly (EMS) services for terminal electronic products such as cleaning robots, smart IoT, smart mobility and smart wearables.
Production capacity: 1M pcs/month; Yield: 99.5 %; Process tech: SMT; Certification: IATF 16949
- Cleaning robots
- Smart IoT
- Smart mobility
- Smart wearables
Production evidence
The cited official source confirms manufacturing capability for EV battery management systems and pack integration and a direct connection to new-energy vehicles.
This profile is based on confirmed public information. It is not an audit, certification or commercial endorsement.
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