Ultra-Thin LiPo Battery for Smart Bracelet
2025-01-08

3.8V 110mAh 441718 Ultra-Thin LiPo Battery for Smart Bracelet
A compact 3.8V 110mAh lithium polymer battery designed for smart bracelets, medical wearables, and other space-constrained wearable devices.
Customer Requirement
The customer required a compact rechargeable LiPo battery for a smart bracelet with limited internal space. The battery needed to provide 3.8V nominal voltage and 110mAh capacity while maintaining a lightweight and compact form factor suitable for wearable device integration.
Our Solution
We provided a 441718 lithium polymer battery with a nominal voltage of 3.8V and a nominal capacity of 110mAh. Its compact dimensions and lightweight construction make it suitable for smart bracelets and other space-constrained wearable devices. The battery can be configured with a PCM protection circuit and cable according to the customer's device requirements.
Battery Specifications
| Battery Type | LiPo Battery |
| Nominal Voltage | 3.8V |
| Capacity | 110mAh (Minimum) | 120mAh (Typical) |
| Energy | 0.418Wh |
| Max Charge Current | 1.0C / 4.35V |
| Max Continuous Discharge Current | 1.0C / 3.0V |
| Dimensions |
Max. Cell Dimensions: 4.4 × 17.2 × 18.0 mm Max. Pack Dimensions: 4.5 × 17.2 × 20.0 mm |
| Wire | UL3302 32AWG |
| Protection | IC: S-8261DAM-M6T1U MOSFET: 8205 |
| Weight | Approx. 3.0g |
| Application | Smart Bracelet |
Testing & Validation
Charge & Discharge Test
Charge and discharge performance was verified under specified operating conditions.
Cycle Life Test
Cycle life was tested at a specified temperature under specified charge and discharge conditions.
Capacity Test
Battery capacity was measured under specified test conditions.
Safety Test
Battery safety performance was verified under specified test conditions.
Project Result
The 441718 lithium polymer battery provided a compact 3.8V / 110mAh power solution for the smart bracelet. With a cell size of 4.4 × 17.2 × 18.0 mm and a lightweight design of approximately 3.0g, the battery was suitable for integration into space-constrained wearable devices.
Need a Ultra-Thin LiPo Battery?
Tell us your required voltage, capacity, dimensions, connector, cable length, and application. Our engineering team can help develop a customized lithium polymer battery for your smart bracelet or other wearable devices.
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