Lithonia Lighting® ELB06042 ELB-06042 Replacement Battery Pack, Lead Calcium, 6 VDC, 4 Ah | Steiner Electric Company
Amazon.com: Power Sonic PS-640 6V 4.5Ah Replacement for Lithonia Lighting ELB 06042 Emergency Replacement Battery, 6 Volts, 250 Watts, Black : Tools & Home Improvement