Do you want to know how to add funds to your PS5 child account or Sub account on PS5. To do this, you will need to add funds to your wallet and share it with your child account. To do this, go to your settings, then go to users and accounts and select payment and subscriptions, then go to add funds. Now back out the main settings menu and go to parental controls. Then select parental controls and go to monthly spending limit and pick an amount. You will share the wallet from your main account to your child account.