High-capacity external auxiliary battery – 20,000 mAh. Type-C input/output connection and dual USB output. Capable of charging up to 3 devices simultaneously. Charge status LED indicators, curved design and large print area. Supplied in an attractively designed box. The capacities indicated for all our external auxiliary batteries are accurate, as they all feature Grade A, non-recycled batteries, with a lifespan of at least 500 charge cycles and in accordance with CE regulations. Furthermore, they are manufactured in accordance with RoHS standards and comply with the following safety requirements: Powerbank overload protection system. Complete discharge protection system providing greater durability of the powerbank. Locking system to prevent short circuits. Constant current transfer system, according to the capacity of the target device.