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3.7V Lithium Batteries 3030 Manufacturer In China
Discover the Hanery 3030 series, the cornerstone of space-efficient power. With its perfectly square 30mm x 30mm footprint, this polymer lithium-ion line is engineered to maximize energy capacity in compact, symmetrical device layouts, offering a powerful and balanced solution.
- Optimized Value for a Standard Footprint
- Expert Guidance on Capacity vs. Thickness
- Beyond the Square: Full Custom Engineering
- Deep Expertise in Compact Power Design
- A Reliable Partner for High-Volume Production
- Validate Our Quality with Project Samples
Safety
Low Self-Discharge
Long Lifespan
Lightweight
Your 3.7V 3030 LiPo Battery Supplier In China
Hanery is your specialist manufacturer for the 3030 (30mm x 30mm) series of 3.7V LiPo batteries, a form factor prized by industrial designers for its layout efficiency. The symmetrical shape makes it a foundational building block for a multitude of compact electronic devices, allowing for simple, space-maximizing internal designs. We have honed our production for this specific footprint, achieving superior consistency that you can depend on for your high-volume manufacturing needs.
As a direct-from-factory partner, Hanery provides a transparent and efficient path from engineering to delivery. Our engineers act as an extension of your team, providing direct communication and expert guidance to ensure your final product is powered by a solution that is both high-performing and perfectly integrated.
Wholesale 3030 Lithium Polymer Batteries From Hanery
Any Industries Hanery Served By Custom 3030 Batteries
The space-efficient 30x30mm dimension is an excellent fit for many compact professional and smart devices:

Portable POS Terminals
Powering the next generation of compact mobile payment and inventory devices.

Handheld Diagnostic Tools
Energizing a variety of portable industrial and medical sensors and monitors.

Smart Home Hubs & Gateways
Providing primary or backup power in compact, often square or circular, enclosures.

Handheld Instruments
Powering portable testing and measurement equipment for professionals.

Portable Audio & Media
Driving MP3 players, voice recorders, and other compact media devices.

Smart Home Controls
Powering advanced remote controls and portable smart home interfaces.
Need to Maximize Power in a Symmetrical Design?
The square footprint of the 3030 series is engineered for ultimate space efficiency. Let us help you unlock its full potential.
Customized Your 3030 Batteries From Chinese Manufacturer
Even on our standard platform, we provide deep customization:
Precision Capacity Tuning
We can fine-tune the battery's internal structure to achieve a specific capacity or thickness.
Tailored Performance Profiles
We can formulate the cell for high-discharge rates (power focus) or low self-discharge (endurance focus).
Integrated Safety & Management Circuits
We integrate a compact PCM or a smart BMS to protect the battery and optimize its performance.
Flexible Assembly Options
We offer custom tabs, wire lengths, and specific connectors to simplify your production line.
Rugged Environmental Formulations
We can use special electrolytes to ensure reliable performance in extreme hot or cold conditions.
OEM Branding & Full Integration
We apply your logos and part numbers, making the battery a seamless part of your branded product.
Get Your Batteries in Bulk Step By Step
Project Kick-off & Requirement Analysis
We start by analyzing your technical needs and how the 3030 battery will function in your device.
Engineering Design & Commercial Proposal
Our team provides a detailed proposal with clear specifications and wholesale pricing.
Prototype Manufacturing & Client Validation
We deliver pre-production samples for your rigorous testing and design validation.
Design Lock-in & Final Approval
We incorporate your feedback and lock in the final design before scaling up.
High-Volume, Quality-Controlled Manufacturing
Your bulk order is produced with exceptional consistency in our advanced facility.
Global Logistics & Compliant Shipment
We manage the entire compliant shipping process to your global locations.
6 Benefits From Your Battery Manufacturer
Optimal Model Selection
Our experts ensure you choose the ideal 3030 model, preventing over-engineering or under-performance.
Proven Performance & Reliability
Our stringent QC process for this high-volume series minimizes field failures and protects your brand.
Direct Factory Advantage
As a direct manufacturer, we eliminate middlemen, offering you better value and direct communication.
End-to-End Partnership
We act as your integrated supply chain partner, simplifying procurement from engineering to global delivery.
Accelerated Product Launch
Leveraging our mature 3030 platform significantly shortens your product development timeline.
A Partner for Scalable Growth
We have the capacity and commitment to scale production with you as your product succeeds.





