Ultra-compact external auxiliary battery from the Nature line, with a wheat straw casing, to promote the use of natural raw materials and reduce polluting emissions. 5 cm | 5.000 mAh charging capacity and charging status indicator. Dual USB output for simultaneous charging of 2 devices and micro USB input - cable included. The capacities shown on all our external auxiliary batteries are real, incorporating all grade A and non-recycled batteries, with a useful life of at least 500 charge cycles and in compliance with CE regulations. In addition, they are manufactured in accordance with RoHS standards and comply with the following safety requirements: Power bank overload protection system. Deep discharge protection system that provides greater power bank durability. Locking system to prevent short circuits. Constant load transfer system, in accordance with the capacity of the desti device 5.000 mAh Wheat straw, metal alloy.