In the digital era, reliance on smartphones for communication and entertainment is ubiquitous, but limited battery life leads to inconvenience, especially when away from home or without personal charging gear. Customers in transit, whether at airports, restaurants, or malls, often desperately seek power sources to avoid device shutdown. This issue also presents business challenges, risking loss of customers to venues with better charging facilities and imposing the extra task of managing cables and outlets, which can distract from customer service priorities.