Wal-PD504 products 10400mAh high capacity with great wisdom: Apple PC ceramic shell material - fire retardant; crescent Appearance / sapphire blue power indicator - stylish and elegant; put through charging function - save time and worry and efficient; 2.1 amps Large fast charge current input - only seven hours of mobile power full (1A Charging takes 12 hours); Built-in dual independent protection chip - over-temperature, over eight heavy security protection voltage, short circuit, etc., charging the conversion rate of 90% As such artifact, you deserve !!