Meet GOkey: a portable battery charger, cable, and key tracker all in one. It also has memory you can use to store your files. GOkey has a small battery that should be good enough to power your smartphone up to 2 hours. You can pair it with your phone using Bluetooth to track your keys or find your phone. You also get up to 32 GB of storage space for music, videos, and photos.
GOkey will be available in Micro USB and Lightning models. It is available on Indiegogo.