power bank 1,capacity:9000mAh 2,18650 (Samsung) 3,Output voltage: DC5. ... power ] features: Cel l type: polymer lithium-ion battery (BAK)Capacity: 9000mAhInput voltage: DC5.0 ~ 6.0VOutput ... timesAdvantage: 1) anti-friction and anti-flaming shell,high-gloss UV or matte process, electroplating, superior texture, ... ’s requirementsDelivery time : 15days 9000mAh battery for power bank external battery pack