ReVIVE ReStore Galaxy S5 Battery Case Power Bank - Rechargeable Protective Case & 3200 mAh Power Bank for Samsung Galaxy S5 AT&T / T-Mobile / Sprint / VerizonIncludes Bonus Capacitive Stylus Power case built specifically for the Samsung Galaxy S5 3200 mAh battery provides an extra charge for your Galaxy S5 when you need it most Quick charging case charges in less than 1.5 hours via micro-USB Top portion of case slides up and down, locking phone into place in the case When your phone needs a charge, simply hit the case's power button and enjoy extended battery life