LIR li-ion botton battery 1,LIR2450 Lithium battery 2,Qulity guarantee. 3,Best ... energy density, high capacity, light weight and high power in botton,cylindrical and prismaticli-ion battery (3.7V, LIR2450):1) Type ... SGS Packing standard safty packing 3.6v Li-ion LIR2450 Botton cell battery