The 7 17 Credit Union is a personal credit card from 7 17 Credit Union. The annual fee is $0. Signup bonus: Additional 7.17% cash back on your first $2,500 in purchases made within the first 90 days after opening your account. Rewards: 3% cash back on groceries; 2% on gas and EV charging; 1% on everything else. Typical credit limit: Credit lines up to $50,000.