Based on this product's specifications, here are some alternatives and similar models
Sealed AGM Rechargeable Battery voltage VE12-1.2 12V 1.2Ah
Summary description:
Sealed AGM rechargeable lead-acid battery voltage VE12-1.2 with nominal voltage 12V and capacity 1.2Ah. Designed for standby power, backup systems, alarm panels, small UPS units and portable equipment. Maintenance-free construction with valve-regulated AGM technology provides leak-proof operation and stable voltage output for cyclic and float charging.