The 1756-BA1 is a lithium battery by Allen-Bradley used for the Series A 1756 –L6 controllers.  These include the 1756-L55, 1756-L61, 1756-L62, 1756-L63, and also the 1794-L33 controllers. The 1756-BA1 contains manganese dioxide at a concentration range of between 30 and 40%. The 4 lithium metal concentration percentage on the 1756-BA1 is 2.9% while the mixture of solvent of carbonate and ether is 12 to 18%. Basically, the 1756-BA1 is a Sanyo lithium cylindrical SE type of cell battery. The ratings for the 1756-BA1 are 3 Volts DC terminal voltage and 1800 mA on the nominal battery capacity. As indicated above, the 1756-BA1 comes with lithium contents and it uses a lead wire connector terminal. The 1756-BA1 is designed to fit into an open style enclosure. The backplane current is 10 Amps for 5 Volts DC while for the 24 Volts DC the backplane current should be 2.8 Amps.