3.7V 320mAh 10440 Rechargeable Lithium Ion Battery / Electric Toothbrush Battery

10440 Rechargeable Lithium Ion Battery Overview

The 3.7V 320mAh 10440 rechargeable lithium ion battery is an excellent choice for electric toothbrushes. Its compact size ensures easy integration into toothbrush designs, providing reliable power for efficient brushing. With a capacity of 320mAh, this battery supports extended use between charges, enhancing convenience for users. The rechargeable feature promotes sustainability, reducing the need for disposable batteries. Designed for optimal performance, the 10440 battery ensures your electric toothbrush operates effectively, making it a practical solution for modern oral care.

Why choose UNEMETECH's cylindrical lithium ion batteries?

UNEMETECH possesses specialized technology and experience in producing cylindrical lithium-ion batteries, maintaining stable capacity, operating voltage, and safety performance. Our customers are from all over the world. We will continue to do our best to provide customers with good service and solutions and develop with our customers.

• Multiple sizes of cylindrical lithium-ion batteries are available.
• Strict quality control.
• Immediate customer support.

We offer the following services:

• Customized solutions;
• Reliable and stable performance;
• Safety-Various tests are done to ensure the safety of our batteries;
• Sample and mass production available.

Key advantages of cylindrical lithium ion batteries

• Good consistency of individual components
• Mature winding process with a high degree of automation
• Good mechanical properties due to its cylindrical structure
• Good heat dissipation

Application areas of UNEMETECH 10440 cylindrical lithium ion batteries

10440 cylindrical lithium ion batteries are characterized by their small size (10mm in diameter and 44mm in height, compatible with AA batteries) and moderate energy density. Their primary applications are in small, portable electronic devices with low power consumption and short to medium battery life, specifically in the following scenarios:

• Consumer electronics: Bluetooth headsets, mini speakers, small digital media players, backup power supplies for smart bracelets/watches;
• Lighting tools: Mini flashlights, keychain lights, portable camping lights;
• Security sensors: Mini surveillance cameras, wireless door magnetic sensors, small temperature and humidity sensors;
• Outdoor tools: Mini rangefinders, small laser pointers, portable voice recorders;
• Other applications: Children's toys, small remote controls, portable power banks (mini version), medical micro-devices, and other devices requiring small-volume energy storage.

It's important to note that ternary lithium batteries are more expensive than lithium iron phosphate batteries, but their higher energy density makes them more popular in miniaturized devices. When using ternary lithium batteries, it is recommended to choose products with safety certifications (such as UN38.3 and CE) to ensure reliability.

Custom configurations, including PCM/BMS protection circuits, connectors, and cable options, are available to ensure safe integration into your specific product requirements.

Technical Parameters

10440 Lithium ion Battery Dimension Figure

Quality & Safety Certifications

All UNEMETECH lithium ion batteries undergo strict quality control and comply with international safety & transportation standards, ensuring safe and reliable performance worldwide.
Depending on project requirements and target market regulations, we can provide certification documents such as CB, IEC 62133, UN38.3, MSDS, KC, PSE, BSMI, UL, RCM, CE, REACH, and RoHs 2.0 test reports, and other compliance documentation as required.

Typical Customer Feedback

“We’ve partnered with UNEMETECH for our electric toothbrush battery project. The 10440 3.7V 320mAh lithium-ion rechargeable battery delivers stable power and reliable performance, helping extend battery life and improve the overall reliability of our toothbrushes.”
— Product Development Manager, Electric Toothbrush Manufacturer

Custom Cylindrical Lithium Ion Battery Solutions

UNEMETECH provides customized cylindrical lithium ion battery solutions for power tools, portable electronics, IoT devices, lighting equipment, energy storage systems, and other battery-powered applications. Battery capacity, voltage, PCM/BMS protection circuits, connectors, wire lengths, labels, and battery pack configurations can be customized according to your project requirements.

Whether you need prototype samples or volume production, our engineering team can support your cylindrical lithium ion battery customization needs with reliable manufacturing, flexible configurations, and technical assistance.