Methods, systems, charge units, computer readable media, and combinations thereof are provided, to enable color coding of charging units (CUs), to provide a visual indication to users of when a CU is available, unavailable, in progress, out of service, etc. The method also include logic for finding charge units and identifying discounts are the identified charge units. The discounts can, in some examples, be provided by merchants that may be proximate or local to a charge unit. The discount can be in the form of a discount for the charge purchased or obtained at the charge unit or discounts for goods or services offered a location of the merchant. The method executed by a processor at a charge unit or by a cloud processing logic, or by a server or servers or over the Internet, or combinations thereof.
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