Yes, there are default limits for SmartDeposit:
Consumer Members
Daily: Two checks per day with a total dollar amount of $2,000
Monthly: Twenty checks per month with a total dollar amount of $20,000
Business Members
Daily: Five checks per day with a total dollar amount of $10,000
Monthly: Twenty checks per month with a total dollar amount of $20,000
Members may request higher (or lower) limits but must be a member in good standing
Their account will be reviewed, and other restrictions may apply.