Battery material: Lithium-ion battery
Battery Brand: Sanyo NCR18650BF (3400mAh Panasonic is NCR18650B)
Battery Type: 18650
Battery Specifications: Diameter 18 * height 65 (mm)
Nominal capacity: 3350 mAh
Minimum capacity: 3250 mAh
Battery internal resistance: 45 milliohms or less
Battery weight: 46.5 g
Charge and discharge times: 1000
Charging voltage: 4.2V
Nominal voltage: 3.6V
Discharge cut-off voltage: 2.5V
Working temperature: 1, Charge 0 ~ + 45 ℃ 2, discharge -20 ~ + 60 ℃ 3, storage -20 ~ + 50 ℃