OEM Battery Manufacturing in Shenzhen, China
OEM Lithium Battery Manufacturer for Custom Battery Packs
Zenilove manufactures OEM lithium batteries to your approved drawings, electrical specifications and brand requirements. Our battery pack manufacturing service covers cell selection, BMS integration, battery pack assembly, testing and export-ready packaging.
- NDA Available
- 20+ Global Clients
- 15+ R&D Patents
- UN38.3 Support
What OEM Means
OEM Lithium Battery Manufacturing to Your Specifications
You own the design. Zenilove turns your finalized battery specification into a controlled, repeatable production process. As your OEM battery manufacturer, we follow the approved voltage, capacity, dimensions, BMS protocol, connector, labeling and packaging requirements.
- Finalized electrical and mechanical battery specifications
- Defined performance, interface and BMS requirements
- Existing brand, label and packaging standards
- Demand for stable, scalable battery pack production
You provide the finalized design; we manufacture it.
You provide the requirements; we support the product design.
Both engineering teams collaborate through development.
Manufacturing Capabilities
OEM Battery Pack Manufacturer Capabilities
As a battery pack manufacturer in Shenzhen, Zenilove supports the core processes required to convert your approved design into consistent, shipment-ready lithium battery packs.
Cell Selection & Matching
Cell chemistry and performance matching based on your approved electrical requirements.
BMS Integration
Protection logic, communication protocol and battery management integration to specification.
Battery Pack Assembly
Controlled lithium battery pack assembly following your mechanical drawing and BOM.
Connector & Wiring
Connector type, wire length, polarity and interface configuration for device integration.
Private Label Packaging
Custom labels, logo printing and branded packaging for approved private label projects.
Testing & Documentation
Inspection, aging tests and project-specific transport documentation before shipment.
Battery Formats
OEM Lithium Battery Formats We Manufacture
Choose a proven battery format as the production base for your custom lithium battery pack.
OEM Cylindrical Battery Packs
18650, 21700 and other cylindrical formats for compact, repeatable battery pack designs.
View Cylindrical Batteries
OEM Lithium Polymer Batteries
Thin, lightweight polymer batteries for space-limited and application-specific products.
View Polymer Batteries
OEM Button Cell Batteries
Compact button batteries for sensors, medical devices, wearables and backup power.
View Button BatteriesProduction Process
Our OEM Battery Manufacturing Process
A five-stage workflow keeps specifications, approvals, production and delivery aligned.
- STEP 01
Specification Review
Engineering review of drawings, BOM and performance requirements.
- STEP 02
Sample Confirmation
Pre-production samples for testing, adjustment and written approval.
- STEP 03
Mass Production
Scheduled production with incoming and in-process quality controls.
- STEP 04
Testing & Packaging
Final inspection, aging tests and approved branded packaging.
- STEP 05
Delivery & Support
Global shipment documentation and ongoing integration support.
Factory & Quality Control
Quality Control at Our Lithium Battery Factory
Consistent OEM production depends on more than final inspection. Zenilove applies quality controls to incoming materials, battery pack assembly, electrical performance and aging tests before shipment.
- Incoming cell and component inspection
- In-process polarity, wiring and assembly checks
- Electrical performance and protection verification
- Final aging test and packaging inspection
Industries Served
OEM Lithium Battery Solutions Across Industries
Battery packs are manufactured to the electrical, mechanical and compliance requirements of the target application.
Industrial Equipment
Battery packs for tools, controls and automated systems.
Mobility
Pack solutions for e-bikes, scooters and light electric vehicles.
Energy Systems
Battery configurations for renewable and backup power products.
Smart Electronics
Compact batteries for IoT products, robots and portable devices.
Medical Devices
Stable power solutions for monitors and diagnostic equipment.
Logistics & Robotics
Custom battery packs for AGVs and warehouse automation.
OEM Battery FAQ