18650 Lithium-Ion Battery 2400mAh 3.7V Rechargeable Battery
The 18650 Lithium-Ion Battery 2400mAh 3.7V Rechargeable Battery is a cylindrical lithium-ion rechargeable battery with high energy density. Commonly used in power banks, flashlights, and portable electronics projects.
Key Features
- High energy density
- Rechargeable (Li-ion)
- Standard 18650 size
- Built-in protection (on some models)
- Long cycle life
- Low self-discharge
Technical Specifications
- Model: 18650 Li-ion
- Capacity: 2400 mAh
- Voltage: 3.7V nominal (4.2V full)
- Chemistry: Lithium-ion
- Dimensions: 18mm x 65mm
- Cycle Life: 500+ cycles
Applications
- Power banks
- Flashlights
- Portable electronics
- UPS backup
- Solar storage

