Always carry a back-up charger with the mophie Powerstation Keychain Power Bank. Offering a 1,200mAh battery capacity, this device comes in handy when you need to charge your smartphone on the go. Featuring a carabiner attachment, Powerstation Keychain easily clips to your bag, keys or belt loop. Additionally, the integrated USB-C cable makes it easy to charge your phone on the go without carrying an extra cable. Thanks to mophie Priority+ charging, the keychain power bank enables pass-through charge while it is connected to a power source. This feature allows your device to charge first and the charger to recharge itself afterward. Compatible with USB-C devices like the Samsung Galaxy, Google Pixel and Palm, the Powerstation Keychain weighs just over two ounces for comfortable carrying.