Shenzhen Uneme Technology Co.,Ltd
| Nominal Voltage | 3.7V |
| Weight | Approx 8g |
| Payment Terms | T/T,WorldFirst,PingPong,Western Union,... |
| Supply Ability | 500,000 pieces per day |
| Delivery Time | 3-35 days |
| Packaging Details | Inner Box + Outer Carton |
| Initial Impedance | 55mΩ |
| Quick Discharge Current | 640mA/2C |
| Warranty | 1 Year |
| Max Instantaneous Pulse Discharge Current | 960mA/3C |
| Application | Toys, Electric Toothbrush, Consumer Electronics... |
| Battery Type | Cylindrical Lithium ion Battery |
| Nominal Capacity | 320mAh |
| Quick Charge Current | 320mA/1C |
| Model Number | 10440 |
| Certification | UN38.3, MSDS, CE, CB, IEC62133, PSE, KC, UL1642... |
| Place of Origin | Guangdong, China |
| Brand Name | UNEMETECH |
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Product Specification
| Nominal Voltage | 3.7V | Weight | Approx 8g |
| Payment Terms | T/T,WorldFirst,PingPong,Western Union,... | Supply Ability | 500,000 pieces per day |
| Delivery Time | 3-35 days | Packaging Details | Inner Box + Outer Carton |
| Initial Impedance | 55mΩ | Quick Discharge Current | 640mA/2C |
| Warranty | 1 Year | Max Instantaneous Pulse Discharge Current | 960mA/3C |
| Application | Toys, Electric Toothbrush, Consumer Electronics... | Battery Type | Cylindrical Lithium ion Battery |
| Nominal Capacity | 320mAh | Quick Charge Current | 320mA/1C |
| Model Number | 10440 | Certification | UN38.3, MSDS, CE, CB, IEC62133, PSE, KC, UL1642... |
| Place of Origin | Guangdong, China | Brand Name | UNEMETECH |
| High Light | 10440 Lithium Ion 3.7 V Rechargeable Battery ，Lithium Ion Rechargeable Battery 3.7V ，Rechargeable Electric Toothbrush Battery | ||
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.
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.
We offer the following services:
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:
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.
| Battery Type | Lithium ion battery |
| Cell model | 10440 |
| Typical capacity | 340mAh@0.2C |
| Minimum capacity | 3200mAh@0.2C |
| Nominal voltage | 3.7V |
| Standard charge | CC/CV,0.2CsA,4.20V |
| Standard discharge | CC,0.2CsA,3.00V |
| End-of-charge voltage | 4.2±0.05V |
| End-of-charge current | 0.02CsA (At CV mode) |
| End-of-discharge voltage | 3.0V |
| Charging time | 8.0hours(standard charge) |
| Quick charge current | 320mA(1C) |
| Quick discharge current | 640mA(2C) |
| Maximum instantaneous pulse discharge current | 960mA(3C) |
| Initial Impedance | Max:55mΩ |
| Weight | Approx: 8.05g |
| Operating temperature | Charging:0℃~45℃ Discharging:-20℃~60℃ |
| Storage temperature | -5℃~35℃ |
| Storage humidity | ≤75% RH |
| Appearance | Without scratch, distortion, contamination and leakage |
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.
“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
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.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Seller,Other
Year Established:
2021
Total Annual:
10,000,000-20,000,000
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Shenzhen Uneme Technology Co., Ltd. is a professional battery company based in Shenzhen, China, with its own UNEMETECH brand and an international sales presence in Hong Kong. We specialize in a wide range of batteries, including lithium-ion batteries such as 18650 and 21700 batteries, lithium p... Shenzhen Uneme Technology Co., Ltd. is a professional battery company based in Shenzhen, China, with its own UNEMETECH brand and an international sales presence in Hong Kong. We specialize in a wide range of batteries, including lithium-ion batteries such as 18650 and 21700 batteries, lithium p...
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