2)Rated voltage: 3.2v3)Continuous discharging time: 15h4)Main light led working voltage: 3.2v5)Main light led working current: 0.22a7)Main light luminous flux: 50lm8)Luminous intensity (main light source, 1 meter away from the lamp) initial lightingdegree: >=1,000lux after 11 hours, >=600lux9)Life of battery: >=600 cycles