This Slim Line Power Bank in Aluminum Design, with a capacity of 4000 mAh, is a dependable external battery charger. It features a USB output and Type C input and output, along with LED charging indicators and a charging cable. The Micro-USB input is rated at 5V DC 1A, and the USB output is also at 5V DC 1A. Equipped with Class A batteries that last for at least 500 charging cycles, it complies with CE regulations. Moreover, it is manufactured in accordance with RoHS standards and meets the following safety requirements: an overcharging protection system for the power bank, a complete discharge protection system to enhance the durability of the power bank, a blocking system to prevent short circuits, and a constant charging transfer system, in line with the unit's capacity. Available with printing options. **Dimensions:** 6.8 x 11 x 1 cm **Weight:** 115 g **Printing:** See under Printing Options **Material:** Aluminium