Xtorm AL420 Waterproof PowerBank Xtreme 9000mAh Review

The specifications of the Xtreme Power bank AL420 by Xtorm are nothing we haven’t seen in the past (and shared by numerous power banks in the market) since under its enclosure it features a 9000mAh lithium-ion rechargeable battery pack which can be used with mobile devices via a single 5V/2.1A USB port. Link