Go to http://www.caseonecard.com/, click on the Account Balance link, register your account if you have not already done so, and see all of your account balances.
You can also check balances at the Value Transfer Stations (VTS) in Thwing Center and Wade Commons.
To make deposits to your CaseCash account:
Go to http://www.caseonecard.com/, click on the Make Deposit link, register your account if you have not already done so, and make deposits to your CaseCash account.