Based on this product's specifications, here are some alternatives and similar models
Car battery charger N1015 6/12V 0.8A for 1.2–30Ah batteries
Summary description:
Compact car battery charger N1015 supports 6V and 12V systems with an output current of 0.8A. Designed for charging and maintaining small lead-acid and similar batteries with capacities from 1.2 to 30Ah. Suitable for motorcycles, cars, lawn equipment and backup batteries. Provides safe slow charge for prolonging battery life and preventing overcharge.