JBQ Dual Port USB Power Bank with Display 20000mAh PB-K20

Slim and powerful power bank: Big 20000mAh capacity with safe Li-polymer battery. No more hassle when your cellphone is out of battery. This the ideal travel mate to provide power to all your mobile devices. Fast charging: delivers more power for a faster charge: Don't sit around waiting for your device to charge! The power output of this charger ensures your device is fully charged in a shorter amount of time compared to standard, less powerful chargers. Works anywhere - great when you're not near a power source: Even if you're not near a wall or car charger, you can recharge your device's battery with the convenient battery pack. The intelligent battery pack supplies power first, so you can remove the pack after use and still have a full battery on your device