If you're looking for a battery pack to keep your smartphones charged up, then the KMASHI 10,000mAh battery pack is a great choice. It's current JAK3JCUV you can get it for as low as $9.39. That's a pretty decent price for an external power bank of this capacity.
The KMASHI power bank has two USB ports for charging multiple device. There are also 4 LED lights there that will let you know how much battery you have left. Always a big help for those on the road and need to charge up their phone. You can grab yours from the link below. And remember to use the promo code JAK3JCUV at checkout!