Home / Round Rechargeable Flexible Lithium Battery 502533 3.7V 500mAh for Sports Watches
Our 502533 3.7V 500mAh round rechargeable flexible lithium battery is designed for sports watches and wearable devices. Its compact flexible structure fits limited internal space while providing stable power for activity tracking, Bluetooth, heart rate monitoring, and daily smart functions. Tabs, wires, connectors, PCM, and packaging can be customized for different product designs.
- Model: 502533
- Capacity: 500 mAh
- Cell Dimensions: 5 × 25 ×33 mm
- Internal Resistance: 50 mΩ
- Finished Product Dimensions: 5× 25× 33 mm
- Application: Sports Watches
- Operating Voltage: 3.7 V
- Charging Voltage: 4.25 V
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Overview
Our round rechargeable flexible lithium battery 502533 3.7V 500mAh is designed for sports watches and compact wearable devices that require a stable, lightweight, and space-saving power source. Its round and flexible structure helps fit curved or limited internal spaces, making it suitable for modern wearable product designs. With 3.7V output and 500mAh capacity, the battery can support daily functions such as activity tracking, heart rate monitoring, Bluetooth communication, GPS assistance, and notification systems. The rechargeable lithium chemistry provides reliable discharge performance and convenient repeated use. Custom options are available for tabs, wires, connectors, PCM protection boards, and packaging structure to match different sports watch designs. Built with strict quality control, this battery offers stable performance, safe operation, and consistent power for wearable electronics, smart sports devices, fitness trackers, and other compact rechargeable products.
Product Details
- Round Flexible Design: Fits curved and compact sports watch structures.
- Stable 3.7V Output: Supports daily wearable device functions.
- 500mAh Capacity: Provides practical power for smart sports applications.
- Rechargeable Lithium Chemistry: Enables repeated use with reliable discharge performance.
- Customizable Options: Tabs, wires, connectors, PCM, and packaging can be adjusted.
Application Areas
- Sports watches
- Smart wearable devices
- Fitness trackers
- Health monitoring devices
- Bluetooth wearable electronics
Technical Parameters
| Model | 502533 |
| Cell Size | 5×25×33 mm |
| Finished Size | 5×25×33mm |
| Operating Voltage | 3.7 V |
| Capacity | 500 mAh |
| Cell Resistance | 50 mΩ |
| Processing Method | Customized |
| Application | Sports Watches |
| Charging Voltage | 4.25 V |
