Quick view Add to Cart The item has been added Sargent Sargent 738, 24VDC 5 Amp Battery Backup MSRP: Was: $244.00 Now: $219.60 California Prop 65 Warning WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.