Home » Lithium Batteries » Lithium Polymer Battery
The Shape of Power, Engineered for Your Innovation
Hanery is a world-class manufacturer of custom polymer lithium-ion (LiPo) batteries. We specialize in leveraging the unparalleled design flexibility of LiPo technology to create ultra-thin, lightweight, and custom-shaped power solutions that enable our B2B partners to build smaller, lighter, and more powerful products.
Safety
Low Self-Discharge
Long Lifespan
Lightweight
Custom Lithium Polymer Battery Supplier In China
Hanery is a premier, engineering-driven manufacturer specializing in custom polymer lithium-ion (LiPo) batteries. We are not just a factory; we are your strategic B2B partner, dedicated to transforming your most ambitious design concepts into reality. Our expertise lies in creating high-performance, custom-shaped, and ultra-thin LiPo cells and battery packs that provide a distinct competitive advantage for your products in the global market.
By integrating seamlessly with your R&D and product design teams, we deliver more than just a component—we provide a comprehensive power solution. From initial consultation and rapid prototyping to high-volume, automated mass production and global certification, Hanery is the reliable manufacturing backbone for innovators in wearable technology, medical devices, and advanced consumer electronics.
Size of Lithium Polymer Battery

Custom 3.7V Lithium Batteries
Is a Standard-Sized Battery Limiting Your Product's Potential?
Unleash your creativity. We build the custom-shaped battery that fits your vision, not the other way around.
Applications Powered by Hanery LiPo Batteries
The versatility of lithium polymer technology makes it the ideal choice for a vast range of industries. We have deep expertise in providing custom solutions for:

Wearable Technology
Smartwatches, rings, glasses, e-textiles, and medical patches.

Consumer Electronics
Smartphones, tablets, drones, power banks, and portable audio.

Medical Devices
Portable monitors, diagnostic tools, and drug delivery systems.

Professional Tools & Instruments
High-discharge batteries for power tools, and reliable packs for portable diagnostic and surveying equipment.

Smart Home & IoT
Wireless sensors, smart locks, and other connected devices.

Asset Tracking & Logistics
Durable, long-life batteries for GPS asset trackers, barcode scanners, and mobile computers.
Why Choose Hanery for Your Lithium Polymer Batteries?
Polymer lithium-ion is the technology of choice for modern, compact electronics. We are the experts who shape it to your needs.
Unmatched Design Freedom
Our core expertise is creating LiPo batteries in custom shapes and sizes—curved, L-shaped, ultra-thin—to fit any design.
Maximum Energy Density
We utilize advanced materials to pack the most mAh capacity into the lightest and slimmest possible profiles.
Proven Safety & Reliability
Our LiPo cells are engineered with multi-layered safety features and undergo rigorous testing to meet all global standards.
High-Volume Manufacturing
Our state-of-the-art, automated facilities ensure exceptional consistency and quality, from thousands to millions of units.
Wide Range of Capabilities
From low-power wearables to high-discharge drone batteries, our expertise covers the full spectrum of LiPo applications.
Expert Engineering Partnership
We work as an extension of your team, providing DFM feedback and co-engineering the perfect power solution.
Get Your Custom LiPo Batteries in Bulk, Step-by-Step
In-Depth Consultation
We analyze your device's design, power budget, and performance targets.
Engineering & 3D Modeling
We provide a comprehensive proposal with 3D models of the custom cell and a transparent wholesale quote.
Rapid Prototyping & Validation
We produce functional samples for you to test for fit, performance, and cycle life in your actual hardware.
Refinement & Certification Management
We refine the design based on your testing and manage all required global safety certifications (UL, IEC, CE, etc.).
High-Volume Automated Production
Your bulk order is manufactured with micrometer-level precision and consistency.
Global Logistics & Compliant Shipping
We manage the entire logistics process, ensuring your batteries are shipped safely and on schedule worldwide.











