Mighty Max Battery 12V 1.3Ah Replacement Battery for SLAA12-1.3F Rechargeable Sealed Lead Acid 1213 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Amazon.com: ExpertPower 12v 1.3Ah SLA Rechargeable Battery With F1 Terminals | (2 Pack) Not a Replacement for WP3_12 : Health & Household
UltraTech 12 Volt 1.3 Ah Sealed Lead Acid Battery - Fire and Safety Plus