Based on this product's specifications, here are some alternatives and similar models
AGM battery QOLTEC 12V 18Ah maintenance-free long-life for UPS and electric scooters
Summary description:
Sealed AGM lead-acid battery QOLTEC 12V 18Ah, maintenance-free and designed for long service life (LongLife). Suitable for UPS systems, electric scooters and other DC backup or traction applications. Provides stable 12V output, reliable starting and backup power, easy installation and low self-discharge for extended standby periods.