Galaxy S21 Ultra Battery Cases

Features Receive up to 94% of additional battery life Exclusively designed for the Samsung Galaxy S21 Ultra Case over doubles your S21 Ultra's battery capacity The world's most powerful battery...

Features Please note that the magnetic charging function of the battery pack requires a magnetic style case or a magnetic ring to hold the battery pack in place during recharging....

Features Please note that the magnetic charging function of the battery pack requires a magnetic style case or a magnetic ring to hold the battery pack in place during recharging....

Take full advantage of MagSafe or magnetic chargers and accessories on your Samsung Galaxy with our exclusive Samsung Galaxy MagSafe Magnetic Ring Sticker. Use in combination with our brand new Samsung Galaxy...

Features Provides up to 200% Extra Battery Power on Your iPhone or Samsung Devices in a Pocket Size Battery Pack! Built-in lightning and USB-C Cables Full support for all Apple and...

Features Provides up to 400% Extra Battery Power on Your iPhone or Samsung Devices in a Pocket Size Battery Pack! Built-in lightning and USB-C Cables Full support for all Apple and...