Model: INR18650 F1L Brand: LG Cycle life: 700 times Nominal voltage: 3.63V Nominal capacity: 3350mAh Minimal capacity: 3250mAh Charge voltage: 4.2V Discharge voltage: 2.75V Standard charge current: 670mA Max. discharge current: 3350mA Size: 18.29*65.15 Weight: 49g Impedance: =70mO Work temperature: -10-50? Storage temperature: 25? Compatible with: power bank, cord phone, PC, MP3, PDA, LED light etc. Made in South Korea