PLC Battery This is a 1 cell lithium battery designed to work in Allen Bradley 1746-BAS, 1747-PT1, HHT, SLC-5/01, SLC-5/02, SLC-5/03, SLC-5/04, SLC-5/05, SLC-500 series programmable logic controls and industrial computers. Low self discharge rate gives this cell a 10 year shelf life. Stable voltage and broad temperature range (-60° to +85°C). High energy, high reliability for memory backup applications. Assembled in the USA Compatible with: ALLEN BRADLEY 1747-BA,1769-BA