Allen - Bradley 1747 - BA is a lithium - battery for SLC 500 series. The main parameters are as follows:
Model: 1747 - BA
Series: SLC 500
Battery Type: Lithium
Voltage: 3 volts
Backplane Current (5 volts DC): 375 milliamps
Operating Temperature: 0 - 60 °C
Weight: 168 grams (0.37 pounds)
Dimensions: 5.72 x 1.37 x 5.15 inches
Connector: 6 - pin phoenix connector
Function: Provide backup power for RAM. It can provide about 5 - year backup for 1747 - L511, about 2 - year backup for 1747 - L514, and about 2 - year power for SLC 5/02, 5/03, 5/04 and SLC 5/05.