Parameter of cap lamp(TJL-SAFE-LITE):Model: KL6L7M(T)LED Quantity :1pc+6pcsBattery :6Ah Li-ionPrimary LED Light Intensity: more than 3000LxPrimary LED Lighting Time:more than 16HAuxiliary LED Lighting Time:more than 45HWeight (exclude cable ): 0.50KGBattery cycle life: more than 500 timesRated voltage: 3.7VWith extra space in the battery housing, TAGS can be fill in.FEATURES of our miners cap lamp :1) Li-ion battery with longer lifetime and free of maintainence 2) LED light with Lifetime of >38000 working hours.3) Explosion proof 4) Light weight:about 0.48kg 5) compact sie: small in battery(3.75 inch x 2.38” x 1”)6) Energy saving 7) Longer lighting time:>24H for main/primary lighting, about 200 H for auxiliary lighting 8) Light intensity:more than 3500 Lux (1 meter)9) specially designed charger to match or using your own charger10) Well designed charging board and accessories equipped withYou are welcome to contact TJL mining cap lamp