3.7V Lithium Batteries 3040 Manufacturer In China
Welcome to the Hanery 3040 series, the definitive power source for high-performance handheld devices. With its substantial 30mm x 40mm footprint, this polymer lithium-ion line is engineered to deliver maximum capacity and extended runtime, enabling the most feature-rich and demanding professional applications.
- Maximum Capacity Platform
- Engineering-Led Consultation
- The Blueprint for Innovation
- Decades of Combined Experience
- A Supply Chain You Can Trust
- Validate Our Excellence
Safety
Low Self-Discharge
Long Lifespan
Lightweight
Your 3.7V 3040 LiPo Battery Supplier In China
Hanery is your specialist manufacturer for the 3040 (30mm x 40mm) series of 3.7V LiPo batteries, a form factor trusted by the world’s leading brands of professional-grade portable electronics. Its generous dimensions allow for significant energy storage, making it the workhorse behind devices that must perform reliably for a full work shift and beyond. We have dedicated our manufacturing expertise to perfecting this footprint, resulting in exceptional consistency and a level of reliability you can build your reputation on.
Choosing Hanery means partnering with a factory that speaks your language: performance, durability, and total cost of ownership. We provide a direct, transparent path from engineering collaboration to high-volume production, ensuring the battery at the heart of your product is a source of undeniable strength and endurance.
Wholesale 3040 Lithium Polymer Batteries From Hanery
Any Industries Hanery Served By Custom 3040 Batteries
The high-capacity 30x40mm dimension is the ideal power source for demanding professional devices:
Handheld Medical Monitors
Energizing portable patient monitors and diagnostic tools with all-day reliability.
Automotive Diagnostic Tablets
Driving high-performance tablets used in modern vehicle repair and diagnostics.
Mobile Computers & Barcode Scanners
Providing reliable, shift-long power for logistics and retail hardware.
Professional Two-Way Radios
Delivering clear, long-lasting communication with a powerful and efficient battery.
Portable Audio & Media
Driving MP3 players, voice recorders, and other compact media devices.
Portable Test & Measurement Instruments
Powering a wide range of professional field testing equipment.
Need to Power a Large Screen, a Fast Processor, and All-Day Connectivity?
Don’t compromise on features. The 3040 series is engineered to deliver the high capacity your most demanding devices require.
Customized Your 3040 Batteries From Chinese Manufacturer
Even on our standard platform, we provide deep customization:
Precision Energy Matching
We can fine-tune the battery's internal structure to achieve a specific capacity or thickness.
Tailored Discharge Characteristics
We can formulate the cell for high-discharge rates (power focus) or low self-discharge (endurance focus).
Application-Specific Safety Protocols
We integrate a compact PCM or a smart BMS with protection parameters tailored to your device.
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.
Full OEM Branding & 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 Scoping & Analysis
We start by analyzing your technical needs and how the 3040 battery will function in your device.
Technical Blueprint & Quotation
Our team provides a detailed proposal with clear specifications and wholesale pricing.
Prototype Manufacturing & 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
Optimized Solution Engineering
Our experts ensure you choose the ideal 3040 model, preventing over-engineering or under-performance.
Field-Proven Dependability
Our stringent QC process for this high-volume series minimizes field failures and protects your professional 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 3040 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.
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