This power bank is designed for charging mobile devices on the go, such as smartphones, smartwatches, wireless earbuds, and other USB-powered accessories. With a capacity of 5,000 mAh and an extremely compact and lightweight design, this power bank is ideal as a quick energy reserve for short trips, daily commutes, or spontaneous outings. **Application** This power bank is suitable for situations where a compact and lightweight power source is desired. Thanks to its two USB-A outputs, two small devices can be charged simultaneously, for example, a smartphone and wireless earbuds. The capacity is sufficient for fully charging a modern smartphone once or multiple small accessories. **Construction and Features** The power bank is equipped with a lithium-polymer battery in an ultra-compact and flat form factor that easily fits into a pocket, jacket pocket, or small bag. The non-slip housing helps prevent slipping and dropping. Four LED indicators show the battery's charging status. The power bank itself can be charged via USB-C or Micro-USB. A 0.2-meter USB-A to USB-C charging cable is included. **Specifications** * Product type: Power bank * Brand: Goobay * Battery capacity: 5,000 mAh * Battery type: Lithium-polymer (LiPo) * Maximum power: 10 W * Outputs: 2× USB-A * Number of outputs: 2 * Inputs: USB-C, Micro-USB * Output voltage: 5 V * Output current: max. 2.1 A (shared) * Status indication: 4 LEDs * Color: Black * Dimensions (L × W × H): 9.95 × 6.35 × 1.5 cm * Weight: 128.5 g * Certifications: CE, BattVO * Cable included: USB-A to USB-C, 0.2 m **Indication of Charge Cycles** The examples below provide a practical overview of how many times common devices can be charged with one fully charged power bank. **Apple iPhone** * iPhone 15 / 15 Pro → ±1× * iPhone 15 Pro Max → <1× * iPhone 16 / 16 Pro → ±1× * iPhone 16 Pro Max → <1× * iPhone 17 / 17 Pro → ±1× * iPhone 17 Pro Max → <1× **Samsung Galaxy** * Galaxy S24 → ±1× * Galaxy S24+ → <1× * Galaxy S24 Ultra → <1× * Galaxy S25 → ±1× * Galaxy S25 Ultra → <1× **Other devices** * Wireless earbuds → multiple times * Smartwatch → multiple times * Small accessories → multiple times Ask a product question