-Add custom BSC RPC for this address " 0xd0C635a82bb52818850d9B49DCECac8f4861AF2a " in Metamask.
-Add custom token to see your BEP-20 format AVAX
Avax contract on BSC " 0x1ce0c2827e2ef14d5c4f29a091d735a204794041 "
-Get some BNB on your address ( BSC chain )
-Transfer the AVAX back to Binance
Check AVAX deposit and choose BEP20 ( BSC ) in Binance
It will mention an ETH like format address to deposit your AVAX back on Binance
DO IT WITH A SMALL AMOUNT ( like 0,1 for first transaction ), to be sure everything is working
If ok do it with all amount otherwise revert back to me