18650-42E 4000mAh High Energy Density Lithium-Ion Battery Cell | Far East Battery

The Far East Battery 18650-42E is a high-capacity 4000mAh cylindrical lithium-ion cell with a 3.6V rated voltage and 14.4Wh nominal energy. With ≤19mΩ AC resistance and a weight of ≤50g, it offers high energy density and reliable performance. The cell supports charging from 0°C to 45°C and discharge from -20°C to 60°C, making it suitable for robotics, drones, light electric vehicles, smart home equipment and compact battery-pack applications.

Key Features

• Brand: Far East Battery
• Model: 18650-42E
• Cell format: 18650 cylindrical lithium-ion cell
• Rated capacity: 4000mAh
• Minimum capacity: 4000mAh
• Rated voltage: 3.6V
• Nominal energy: 14.4Wh
• ACR: ≤19mΩ
• Weight: ≤50g
• Maximum charge current: 4000mA (1C)
• Maximum discharge current: 8000mA (2C)
• Charge temperature: 0°C to 45°C
• Discharge temperature: -20°C to 60°C
• Long service life
• High energy density
• Better low-temperature performance

Applications

• Robotics
• Drones
• Light electric vehicles
• Smart home equipment
• Compact lithium-ion battery packs
• Portable and small-power applications