This power bank is designed for fast-charging mobile devices on the go, such as smartphones, tablets, smartwatches, and other USB-powered accessories. With a capacity of 20,000 mAh and support for Power Delivery and Quick Charge up to 22.5 W, this power bank offers a powerful yet exceptionally compact energy solution for longer journeys and intensive daily use. **Application** This power bank is suitable for situations where multiple devices need to be charged quickly and efficiently, such as during work, travel, or outdoor activities. Thanks to its three USB outputs, up to three devices can be charged simultaneously, for example, a smartphone, tablet, and wireless earbuds. The high capacity is designed for multiple full charges of modern smartphones. **Construction and Features** The power bank features a lithium-polymer battery and has an ultra-compact and flat design that easily fits into a bag or backpack. The combination of USB-C Power Delivery and USB-A Quick Charge enables fast charging up to 22.5 W for compatible devices. The digital LED indicator accurately displays the charge level in percentages. The non-slip casing helps prevent slipping and falling. The power bank itself can be charged via USB-C or Micro-USB. A 0.3-meter USB-A to USB-C cable is included. **Specifications** • Product type: fast-charging power bank • Brand: Goobay • Battery capacity: 20,000 mAh / 3.85 V • Battery type: lithium-polymer (LiPo) • Fast-charging technology: Power Delivery (USB-C), Quick Charge (USB-A) • Maximum power: up to 22.5 W • Outputs: 1× USB-C, 2× USB-A • Number of outputs: 3 • Inputs: USB-C, Micro-USB • Output voltage: 5 V • Max. output current: up to 3 A • Display: digital LED charge indicator • Colour: black • Dimensions (L × W × H): 10.9 × 7.0 × 2.83 cm • Weight: 308 g • Certifications: CE, BattVO • Cable included: USB-A to USB-C, 0.3 m **Indication of number of charges** The examples below provide a practical idea of how many times common devices can be charged with one fully charged power bank. **Apple iPhone** • iPhone 15 / 15 Pro → 4–5× • iPhone 15 Pro Max → 3–4× • iPhone 16 / 16 Pro → 4–5× • iPhone 16 Pro Max → 3–4× • iPhone 17 / 17 Pro → 4–5× • iPhone 17 Pro Max → 3–4× **Samsung Galaxy** • Galaxy S24 → 3–4× • Galaxy S24+ → 2–3× • Galaxy S24 Ultra → 2–3× • Galaxy S25 → 3–4× • Galaxy S25 Ultra → 2–3× • Galaxy Z Flip5 → 3–4× • Galaxy Z Fold5 → 2× **Google / Android** • Pixel 8 → 3–4× • Pixel 8 Pro → 2–3× • Pixel 9 → 3–4× • Pixel 9 Pro → 2–3× **Other devices** • Tablet (10–11″) → 1.5–2× • Wireless earbuds → multiple times • Smartwatch → multiple times • Small accessories → multiple times Ask a product question