Nillkin MagSafe PowerStone Magnetic Battery Pack
PowerStone Magnetic Battery Pack is design for MagSafe series. Small and light, easy to carry around. Built-in high performance magnets, stronger magnetism. Double-side magnetic design to unlock different ways of using. With a maximum battery capacity of 5000mAh, it is enough for you needs. Intelligent temperature control function gives stabler and faster charging. Increased platform design.