Battery material: lithium-ion battery
Battery brand: Sanyo NCR18650BF (Panasonic 3400mAh for the NCR18650B)
Battery Model: 18650
Battery Specifications: Diameter 18 * Height 65 (mm)
Nominal capacity: 3350MAH
Minimum capacity: 3250MAH
Battery internal resistance: 45 milliohms below
Battery weight: 46.5 grams
Charge and discharge times: 1000 times
Charging voltage: 4.2V
Nominal voltage: 3.6V
Discharge cutoff voltage: 2.5V
Working temperature: 1, charging 0 ~ +45 ℃ 2, discharge -20 ~ +60 ℃ 3, storage -20 ~ +50 ℃