21700-58E 5500mAh Wide-Temperature Lithium-Ion Battery Cell | Far East Battery

The Far East Battery 21700-58E is a 5500mAh cylindrical lithium-ion cell with a 3.6V rated voltage and 19.8Wh nominal energy. Featuring ≤19mΩ ACR and a weight of ≤73g, it offers high capacity, fast charging and reliable wide-temperature performance. The cell supports charging from -10°C to 45°C and discharge from -40°C to 60°C, making it suitable for robots, drones, light electric vehicles and electrical equipment operating in demanding environments.

Key Features

• Brand: Far East Battery
• Model: 21700-58E
• Cell format: 21700 cylindrical lithium-ion cell
• Rated capacity: 5500mAh
• Minimum capacity: 5500mAh
• Rated voltage: 3.6V
• Nominal energy: 19.8Wh
• ACR: ≤19mΩ
• Weight: ≤73g
• Maximum charge current: 3850mA (0.7C)
• Maximum discharge current: 11000mA (2C)
• Charge temperature: -10°C to 45°C
• Discharge temperature: -40°C to 60°C
• Long service life
• Fast-charge capability
• Large capacity
• Wide-temperature performance

Applications

• Robotics
• Drones
• Light electric vehicles
• Low-temperature electrical equipment
• Equipment requiring wide-temperature battery operation