We also sell good quality high power li-battery (lithium battery) like 18650, 16340 ,14500 , cr2 and cr123 to be compatible with their flashlight or relate electronics products or as replacement battery. please feel free to select what you want . 
    Li-battery is a trend in the future , it is longer life and more stable output than other kinds of battery .
    These years , as the price is dropping , there are more and more field will use li-battery .