RAVPower Portable Charger, 10050 mAh, iSmart, Black - RP-PB170

this power bank is your lifeline when things get rough.
Exclusive iSmart technology detects and delivers the optimal charging current of your device
Featuring a powerful port (compatible with most fast charging smartphones).
Built-in short-circuit, over-charge, and over-heat protection automatically shuts the power bank down in the unlikely situation it detects a short circuit or input overload.
This unit is seriously tough, it could be the end of the world and it still works