High capacity external auxiliary battery -10,000 mAh- with a body finished in durable aluminum. With dual USB and Type C outputs for charging three devices simultaneously and 1 connection for Type C input. Charging status indicator LEDs, extra slim straight design and large printing area, especially recommended for laser. Presented in an attractive kraft design box. Instructions manual available in Spanish and English. The capacities shown in all our external auxiliary batteries are real, all incorporating grade A and non-recycled batteries, with a lifespan of at least 500 charging cycles and in accordance with CE regulations. Moreover, they are manufactured according to RoHS standards and in compliance with the following safety requirements: Power bank overload protection system. Full discharge protection system that provides greater durability to the power bank. Locking system to prevent short circuits. Constant charge transfer system, according to the capacity of the target device. 10000 mAh. USB output. Micro USB input.