- Mobile spare battery for the external power supply of smartphones and other mobile devices ,- The power pack provides an energy boost on the go ,- High-density cells allow a more compact and lightweight construction than conventional cells ,- Certified cells guarantee the highest safety standard and top quality ,- Optimized charging process saves the battery thus extending its service life ,- Stylish look and feel: looks good, feels good ,- Charges two devices simultaneously ,- Easy and quick connection thanks to the USB-C plug that can be used on both sides ,- Housing with soft-touch surface ,- Easy recharging of smartphones and other mobile devices ,- Ideal companion with energy to go: for a new boost of energy simply connect the smartphone and the power pack with the cable ,- Simple charging on a USB charger (not included in the extent of delivery) via micro-USB charging cable or USB-C charging cable ,- Universal use ,- Integrated LED capacity indicator ,- Overload protection, deep discharge protection, short circuit protection ,- TÜV-certified