ER14250 Battery. The ER14250 from EVE is a non rechargeable lithium thionyl chloride (Li-SOCl2) battery with raised positive and flat negative terminals. This battery features high and stable operating voltage, high minimum voltage during pulsing, stainless steel container, non flammable electrolyte and hermetic glass to metal sealing. It is suitable for utility metering, memory backup and tracking system.