Bought a battery for an old Galaxy S III, so far so good.
When I entered the store employee did not acknowledge my presence, in the least.
Two customers in the store, no communication with anyone.
Employee was on speaker phone, with no sounds in background. As a store customer, I was unaware of the reason for lack of responsiveness by the store employee.
Employee does demonstrate any warmth when conducting customer transactions; felt very defensive, and bothered, during my sales transaction.
Battery has a lifetime guarantee.