... , no over-charge &over-discharg Super High Bright 10000 lux CREE LED Mining Cap Lamp KL5LM-BAdvantagesCREE main led, more ... than 10000 lux lighting degree.special reflector make more efficiency, free maintaince and ... Efficency: More than 15 hours working time more than 4500 lux for lighting degree, battery usage lifetime 1000 cycles, display cap ...