ALLEN-BRADLEY 1756-BA2

There are 3 different series of batteries for the contrologix processors be sure to check the series letter for your machine. (note: series a battery has a white cover and a 3 pin connector, series b is blue as shown in this photo and has a 2 pin connector) the 3rd series looks like 2 "d" cell batteries and is not mounted in the processor | lithium battery logix 5000ctrl