Allen-Bradley 1403-BA — Lithium Backup Battery

Part number	1403-BA
Brand	Allen-Bradley
Category	Battery
Description	Lithium Backup Battery
Manufacturer	Allen Bradley
Product Type	Lithium backup battery
Product Line	1403 Powermonitor II
Part Number	1403-BA
Weight	0.06 lbs (0.03 kg)
Capacity	1.2 Ah
Voltage	3.0 V DC
Installation	Under closure plate
Backup Type	Memory + RTC
Removal	Reverse installation
Nominal Current	1.2 A per hour
Chemistry	Lithium
Replacement	Yes, user-replaceable
Rechargeable	No
Mounting	Master module holder
Compatible Device	PowerMonitor II master module

The 1403-BA, a lithium backup battery from Allen Bradley, serves specifically for the PowerMonitor II series. It operates at 3.0 V DC and has a capacity rated at 1.2 Ah, ensuring reliable memory and RTC support.

Also written as

1403-BA/A1403-BAX

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.