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3.7V Lithium Batteries 2040 Manufacturer In China
Explore the Hanery 2040 series, the ideal power solution for elongated handheld devices. With its versatile 20mm x 40mm footprint, this series delivers higher capacity and extended runtime, enabling more powerful features in a slim, ergonomic form factor.
Safety
Low Self-Discharge
Long Lifespan
Lightweight
Your 3.7V 2040 LiPo Battery Supplier In China
Hanery is your specialist manufacturer for the 2040 (20mm x 40mm) series of 3.7V LiPo batteries, a form factor prized for its excellent capacity-to-footprint ratio. We have optimized our production lines for this specific size, ensuring exceptional consistency and quality control. This focus translates into a highly reliable and cost-effective power core for your products, from professional instruments to high-performance consumer electronics.
As your direct-from-factory partner, we offer a transparent and efficient path from concept to mass production. Our engineers function as an integral part of your development process, providing expert guidance to ensure the battery solution is not just a component, but a competitive advantage for your product.
Wholesale 2040 Lithium Polymer Batteries From Hanery
Industries Served By Our Custom 2040 Batteries
The balanced dimensions and higher capacity of the 2040 series make it the perfect choice for a wide range of electronics:

Portable Medical Devices
Powering handheld monitors, diagnostic tools, and portable therapy devices.

GPS Tracking Units
Providing long-lasting, compact power for asset, vehicle, and personal trackers.

Wireless Sensors & IoT
Energizing remote sensors, data loggers, and other connected IoT devices.

Barcode Scanners & Mobile Computers
Providing shift-long power for logistics and retail hardware.

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

Two-Way Radios & Communication Devices
Powering professional communication tools with a slim and efficient battery.
Need Even More Runtime or a Unique Shape?
Our standard series are just the starting point. Let our engineers design a fully custom battery that perfectly fits your most ambitious projects.
Customized Your 2040 Batteries From Chinese Manufacturer
Even on our standard platform, we provide deep customization:
Capacity & Thickness Tuning
We can fine-tune the internal design to achieve a specific capacity or thickness that precisely matches your needs.
Performance Profiles
We can formulate the cell for high-discharge rates (power focus) or low self-discharge (endurance focus).
Intelligent Power Management
We integrate a compact PCM or a smart BMS to protect the battery and optimize its performance.
Seamless Assembly Integration
We offer custom tabs, wire lengths, and specific connectors to simplify your production line.
Environmental Fortification
We can use special electrolytes to ensure reliable performance in extreme hot or cold conditions.
Full OEM Branding
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
Initial Project Scoping
We start by analyzing your technical needs and how the 2040 battery will function in your device.
Engineering & Quotation
Our team provides a detailed proposal with clear specifications and wholesale pricing.
Rapid Prototyping & Validation
We deliver pre-production samples for your rigorous testing and design validation.
Refinement & Final Sign-Off
We incorporate your feedback and lock in the final design before scaling up.
Scalable & Consistent Manufacturing
Your bulk order is produced with exceptional consistency in our advanced, quality-controlled facility.
Global Logistics & Compliant Delivery
We manage the entire compliant shipping process to your global locations.
6 Benefits From Your Battery Manufacturer
Optimized Selection
Our experts ensure you choose the ideal 2040 model, preventing over-engineering or under-performance.
Assured Product Performance
Our stringent QC process for this high-volume series minimizes field failures and protects your brand.
Direct Manufacturing Value
As a direct manufacturer, we eliminate middlemen, offering you better value and direct communication.
Integrated Supply Chain
We act as your end-to-end partner, simplifying procurement from engineering to global delivery.
Accelerated Development
Leveraging our mature 2040 platform significantly shortens your product development timeline.
A Partner for Growth
We have the capacity and commitment to scale production with you as your product succeeds.






