China HW4LM(E)/HW5LM(E) factory and manufacturers

HW4LM(E)/HW5LM(E)

HW4LM(E) safety lamp is a new environmental cap lamp, which adopts advanced LED light

source and lithium ion battery to design and produces. It has the characteristics of small cubage, longevity,

no pollution, free of maintaining, electricity-saving and safety and so on and so forth. This kind of portable

product is used to illuminate for coal miners underground, and it can also be applied to the following

terrible and disgusting occasions: field work at night, emergency rescues and disaster relief, inspection,

surveying and exploration etc.

Parameter		Numerical value	Unit	Note
Rated voltage		3.7	V
Rated capacity		4.0	Ah
Lighting time	Main light source	>13	h
Lighting time	Secondary light source	>40	h
Illumination (main lamp)	Ligh beginning	>1600	Lx	1 meter from lamp
Illumination (main lamp)	11-hour-lighting	>900	Lx	1 meter from lamp
Rated current of main light source		0.30	A
Recycling longevity of batteries		>600	times
Charging time		<10	hours
The shape of battery’s cell	Length	29	mm
	Width	85	mm
	Height	100	mm
Weight		400	g