The Cellularline Thunder 10000 is a compact portable charger designed to keep your mobile devices powered while you are on the move. It features a capacity of 10,000 mAh using cylindrical 21700 cells and offers two charging options: a USB-C port with 20W Power Delivery for modern fast-charging standards and a USB-A port supporting adaptive 18W fast charge for older accessories. Its slim profile, measuring 112 x 44 x 8 mm and weighing just 190 g, makes it easy to slip into a pocket or small bag. The red exterior is finished with a soft-touch material and non-slip painting, providing a secure grip during use. You can easily monitor the remaining energy via the integrated LED indicator and manage power through the dedicated on/off switch. This charger suits travelers or commuters who need a reliable energy boost without adding bulk to their carry. To get you started immediately, it comes with a 15 cm USB-C to USB-C cable and has been TUV certified for safety.