More detail and purchase: Portable Charger Anker PowerCore 20100mAh – Ultra High Capacity Power Bank with 4.8A Output and PowerIQ Technology, External Battery Pack for iPhone, iPad & Samsung Galaxy & More.
More detail and purchase:
Huge 7-Day Charge Capacity
Portable, Pocket-Friendly Size
High-Speed Universal Charging
Lighter than a can of soup, PowerCore fits easily inside backpacks, purses, or computer…