KL4LM(A) is designed based on GB7957-2003,< General requirements for safety of cap lamp >, small, light, convenient to carry, long using life, high lighting, maintenance-free, safe and less wasting. etc.
If the main power source is broken or running time is over, slide the switch to another position, the auxiliary power source would provide emergency power for the miners. The auxiliary power source can provide more than 60 hours.
This light have lithium battery inside, set a protecting circuit for over-charge, over-discharge,over-heat, extending the battery’s using life. Charging time less than 8 hours.