The Speras S50 is a 3.6V 5000mAh high-capacity 21700 rechargeable Li-ion battery. It includes an over-charge and over-discharge protection circuit to ensure maximum performance, as well as a unique structural design for better impact resistance.

Specifications:

• Brand: Speras
• Mode: S50
• Capacity: 5000mAh
• Voltage: 3.6V
• Charging current: 1A(recommended), 2A(Max)
• Cell: LG cell
• Current: 9.8A; 15A(Max)
• Length: 75mm
• Diameter: 21.4mm
• Weight: 72.8g