Special discounts for E-Range Key Customers All Erange keys require a $10.00 deposit which is fully refundable once your key is turned back in. Place $50 on your E-Range key and receive $60 credit towards range balls. Place $100 on your E-Range key and receive $130 credit towards range balls. E-Range Key customers can use the range at their convenience. The E-Range Key gives our customers access to range balls even when we are not open. E-Range Keys can be purchased in $20 or more increments. The E-Range key is pre-paid, pre-programmed, so you do not need to reach for cash each time you visit! The E-Range key fits right onto your key chain, which makes it convenient. By pre-paying on your E-Range key you receive special discounts that buy down the per-bucket cost.