External auxiliary battery with a capacity of 2,200 mAh, featuring a slim design and manufactured in aluminium. Equipped with a USB output and a Micro USB input. Includes LED indicators showing charging status and a Micro USB charging cable. Supplied in an individual kraft design box, with instruction manual in Spanish and English. Micro USB input: 5V DC 1A USB output: 5V DC 1A The stated capacities of all our external auxiliary batteries are genuine, with all of them containing grade A, non-recycled batteries, offering a lifespan of at least 500 charge cycles and in compliance with CE regulations. Furthermore, they are manufactured in accordance with RoHS standards and meet the following safety requirements: Overcharge protection system for the powerbank. Complete discharge protection system for greater durability of the powerbank. Locking system to prevent short circuits. Constant charge transfer system, in line with the capacity of the target device.