Home » Application » Batteries For Wearable Technology » TWS Earbuds Batteries
The Micro Power Behind Your Immersive Sound
Hanery is a leading China-based manufacturer of ultra-compact, high-performance polymer lithium-ion batteries for TWS earbuds and charging cases. We engineer miniature power solutions that enable longer playtime, smaller form factors, and a flawless user experience.
Safety
Low Self-Discharge
Long Lifespan
Lightweight
Your Expert TWS Earbuds Battery Manufacturer in China
Create a market-leading TWS product with a battery manufacturer that masters the micro-scale.
Extreme Miniaturization
Specializing in coin/button, pin-type, and custom-shaped micro batteries for earbuds.
High Energy Density
Maximizing mAh in the smallest footprint for industry-leading playtime.
Fast Charging Capability
Formulated for quick charging cycles in both the earbuds and the case.
High Cycle Life
Engineered to withstand hundreds of charge cycles, ensuring long product lifespan.
Low Self-Discharge
Our batteries retain charge for longer, providing a ready-to-use experience for the consumer.
Mass Production at Scale
High-volume, automated manufacturing to meet the demands of the fast-paced consumer electronics market.

Custom TWS Earbuds Batteries as Your B2B Supplier
Hanery is your specialist B2B supplier for custom polymer batteries, meticulously engineered for the unique ecosystem of TWS earbuds and their charging cases. We understand that every cubic millimeter counts. Our expertise lies in delivering reliable, high-density power in the most compact forms imaginable, ensuring your product’s design, comfort, and performance are never compromised by the battery.
Wholesale TWS Earbuds Batteries From Hanery

AirPods Battery

Galaxy Buds Battery

Sony Earbuds Battery

QuietComfort Battery
Need More Playtime Without a Bigger Earbud?
Our high-density battery technology pushes the boundaries of power and size.
Customized Options for Your TWS Batteries
We engineer micro-scale details for macro performance.
Optimized Form Factors
We specialize in coin, pin, and free-form shapes to match your industrial design perfectly.
Maximized Energy Density
We use cutting-edge materials to deliver the highest mAh-to-volume ratio in the industry.
Fast-Charging Formulation
We can engineer the cell chemistry to safely handle faster charging protocols.
High Cycle Life
Our batteries are designed to maintain high capacity after 500+ charge cycles, meeting consumer expectations.
Micro-Connectors & Integration
We offer solutions with integrated micro FPCs or soldering pads for efficient and reliable assembly.
Dual-System Solutions
We provide both the earbud micro-batteries and the perfectly matched charging case battery as a complete system.
Get Your Batteries in Bulk, Step-by-Step
Our precision process ensures your TWS product is powered by the best, from concept to launch.
In-Depth Consultation
We analyze your TWS design, power budget, target playtime, and volume requirements.
Engineering & 3D Modeling
We provide a comprehensive proposal with 3D models of the cells and a transparent wholesale quote.
Rapid Prototyping & Fit Testing
We produce functional prototypes for you to test for fit, runtime, and charging performance.
Collaborative Refinement & Approval
We refine the design based on your testing feedback before locking in the final specifications.
High-Volume Automated Production
Your bulk order is manufactured with extreme precision in our dedicated micro-battery facility.
Global Logistics & Compliant Delivery
We manage the entire logistics process, ensuring your batteries are shipped safely and compliantly worldwide.
FAQ For TWS Earbuds Batteries
A: We can produce coin cells with diameters as small as [e.g., 6mm] and pin-type cells with diameters under [e.g., 4mm]. The final size is a balance with the required capacity.
A: Due to the highly automated and specialized manufacturing process, our MOQ for custom TWS batteries typically starts at 50,000 to 100,000 units.
A: We utilize advanced, high-voltage cathode materials, silicon-composite anodes where applicable, and precision stacking/winding techniques to minimize inactive components and maximize energy storage volume.
A: Our TWS batteries are engineered to retain over 80% of their initial capacity after 500+ charge cycles, ensuring a long and reliable product life for the end-user.
A: Yes, we can formulate the cell chemistry and design the protection circuit to safely support higher charging currents, reducing overall charging times.
A: After design finalization, the lead time for the first batch of micro-battery prototypes is generally 5-7 weeks.
A: Our dedicated TWS battery lines are highly automated, from material coating to final testing and grading. This automation, combined with stringent in-process quality control, ensures extremely high consistency.
A: Yes, we provide a complete ecosystem solution. We manufacture both the miniature batteries for the earbuds and the higher-capacity rectangular battery for the charging case.
A: Absolutely. We manage the entire certification process to ensure your batteries meet all required standards for your target markets, including IEC 62133, UL, CE, PSE, KC, and UN38.3.
A: Please provide the target dimensions for the cell (diameter/length/width/thickness), required minimum capacity (mAh), voltage (3.7V), any fast-charging requirements, and your estimated annual volume.