• Model: KP-402030
• Battery Type: Lithium Polymer (Li-Po)
• Nominal Voltage: 3.7V
• Capacity: 320mAh
• Charging Voltage: 4.2V (max)
• Discharge Cut-off Voltage: 3.0V
• Standard Charge Current: 0.2C
• Max Discharge Current: 1C
• Protection Circuit: Yes (optional, based on application)
• Rechargeable: Yes

Dimensions (Approx.):

• Width: 20 mm
• Height: 30 mm
• Thickness: 4.0 mm

Applications:
Suitable for smart watches, Bluetooth modules, small DIY electronics, and compact IoT devices.