Battery Charger opinion

Hey guys, have anyone had any experience with this battery charger? I wanna make sure it wont damage my sealed lead acid battery. I just want your honest opinion before I click order, please let me know, here is the link:

https://www.aliexpress.com/item/48V-1-8A-XLR-Sealed-Gel-Lead-Acid-Battery-Charger-E-bike-Electric-Scooter-Bicycle-Tricycle/32828651061.html

1.8 amps rate of charge, so suitable for lead as small as 7 ah. Bigger is fine too of course.

A 5 amps charger would be for a very large lead battery.