I bought an A15 5g yesterday at Verizon. It doesn't come with a charger. They sold me a Pure Gear charger. The phone shows its charging but percentage of charge keeps dropping. Doesn't matter if the phone is on or turned off. Verizon tells me this charger is approved by Samsung. Pretty disgusted with it right now.
@Sourdoughjim I've never heard of Pure Gear until today. Looking at the reviews across the web, I wouldn't pick them. If you want a good reliable adapter and cables, choose Samsung or Anker.
Are you using the charging cable that came with the phone? The phone doesn't come with a charger, but it comes with a USB cable. Did the charger they sell you have a PD port (USB C)? I have found trying to charge the phone with a standard USB-A port with a USB-A/C cable is ineffective. If the charger they sold you is not at least 25 watts and the cable with it is not capable of handling 25 watts or more, you will get the trickle charge. It is also possible they sold you a defective charger or they sold you a charger approved by Samsung, but not for the newer phones.
