Amazon.com: EnerSys Genesis NP4-12 - 12 Volt/4 Amp Hour Sealed Lead Acid Battery with 0.187 Fast-on Connector : Automotive
Mighty Max Battery 12V 4.5Ah Home Alarm Security System SLA Battery Rechargeable Sealed Lead Acid 1250 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
4Pack 6000MAH For Bosch BAT420 Rechargeable Battery 10.8V/12V Li-ion For BAT420 BAT412A BAT413A D-70745GOP 2607336013 2607336014 - AliExpress
MIGHTY MAX BATTERY Alarm Back up Battery 12 Volt 4.0ah MAX3422319 - The Home Depot
Alarm Back up Battery 12 Volt 4.0ah - Walmart.com
2598770 12V LiHD 4.0Ah Rechargeable Battery by Trumpf