Power Bank Wave WA-87 Inbuilt USB-C 3000mAh blackKey Specifications. • Capacity: 3,000 mAh (Engineered as an emergency reserve or "top-up" power supply).. • Built-in Connector: Integrated USB-C connector/cable (Plugs directly into your phone, eliminating the need to carry loose charging cords).. • Color: Black.. • Form Factor: Ultra-lightweight, slim silhouette designed to fit into standard pockets, micro-bags, or small travel pouches.