Specs: Brand Name: MNKE Size: 26650 Type: Li-Mn (High Drain) Rated Capacity: 3500mAh N ominal Voltage: 3.7V Peak Voltage: 4.2V Rechargeable: Yes Protected: No Chemistry: Lithium manganese Dioxide (Li-Mn02) Style: Flat Top Color: Orange Maximum Continuous Discharging Current: 20 A Maximum Pulse Discharging Current: 60 A Maximum Continuous Charging Current: 6.5 A