By 52%-54% denisty indicator of lithium bromide, it is used to be absorptive refrigerant, hypnagogue and mitigative of medicine, and also to be electrolyte in ion-battery.

52%-54%浓度的溴化锂用作吸收式制冷剂。在医药中，用作催眠剂和镇静剂。还用作锂电池的电解质。