Based on this product's specifications, here are some alternatives and similar models
LiFePO4 battery QOLTEC 53700 12.8V 9Ah — rechargeable lithium iron phosphate battery for backup and portable power
Summary description:
LiFePO4 battery QOLTEC 53700 with nominal voltage 12.8V and capacity 9Ah is a rechargeable lithium iron phosphate cell suited for backup power, UPS systems, and portable energy storage. It offers stable voltage, long cycle life and safer chemistry compared with lead-acid batteries. Use for reliable backup, small solar setups, or mobile power where compact, lightweight rechargeable battery is needed.