10440 Cylindrical Li-ion Battery for Electric Toothbrushes
2026-09-15
10440 Cylindrical Li-ion Battery for Electric Toothbrushes
A compact rechargeable 10440 lithium-ion battery designed for electric toothbrushes, providing reliable power while fitting efficiently into the limited internal space.
Customer Requirement
A personal care product manufacturer needed a compact rechargeable battery for an electric toothbrush. The battery needed to fit into the limited internal space of the slim toothbrush handle while providing stable power for daily use. Reliable charging and protection performance were also important for the application.
Our Solution
We provided a 10440 cylindrical lithium-ion battery based on the customer's product requirements. The battery capacity, terminal configuration, protection solution, and packaging were customized to support easy integration into the electric toothbrush handle.
Battery Specifications
| Battery Type | 10440 Cylindrical Lithium-ion Battery |
| Cell Size | 10440 |
| Nominal Voltage | 3.7V |
| Capacity | Customized |
| Cell Configuration | 1S |
| Dimensions | Approx. 10 × 44 mm |
| Terminal | Customized |
| Protection | Customized Protection Circuit |
| Application | Electric Toothbrush |
Testing & Validation
Charging Test
Charging performance was tested according to the battery and product requirements.
Discharge Test
Discharge performance was verified under the required operating conditions.
Protection Test
Protection functions were tested to help ensure safe and reliable battery operation.
Fit & Compatibility Test
The battery dimensions and terminal configuration were checked for proper integration into the toothbrush handle.
Project Result
The 10440 cylindrical lithium-ion battery successfully met the customer's requirements for compact size, stable power output, reliable protection, and product integration, providing a suitable rechargeable battery solution for the electric toothbrush.
Need a Custom 10440 Li-ion Battery?
Tell us your required capacity, terminal configuration, protection requirements, and application. Our engineering team can help develop a suitable cylindrical lithium-ion battery solution for your product.
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