Key Features:

• Battery Type: Lithium-Ion (Li-ion)
• Nominal Voltage: 3.7V
• Capacity: 2200mAh
• Rechargeable: Yes
• Form Factor: Typically cylindrical (18650) or prismatic (confirm dimensions)
• High Energy Density: Provides longer runtimes in a compact size
• Low Self-Discharge: Retains charge for extended periods when not in use
• Built-in Protection Circuit (Optional): For safety against overcharge, over-discharge, and short circuits

Applications:

• Power banks
• LED flashlights
• Bluetooth speakers
• Portable fans
• Medical devices
• DIY electronics
• RC vehicles and drones (when used with proper configurations)