Features ■ Apple MFI certification -This logo means that battery is certified by Apple ■ Expandable Battery -Battery capacity upgrade by Sub battery -Easy upgrade:similar to Block type struckure ■ High capacity: 5200mAh -The highest efficiency in the same capacity battery ■ 5.0V 2.1A powerful charge and discharge -Charge IPAD,Galaxy Tab or any Smart PAD -General products only support 5V 1A charge -Provide 5V 2.1A charging adaptor for battery (Sold separately) ■ The Most Safety battery in the word:Li-polymer battery -Chemically stable polymer(polymer composite) using the secure state electrolytes -No exposion:There is a little capacity of explosion in case of Li-ion type battery ■ Emotional Design -Slim design for Smart Phone/Pad ■ Auto safety protection system -Use double protection circuit -Over heat,short-circuiting protection -Automatic input,output control ■ Specifications: -Input: DC5V 2.1A -Output: DC5V 2.1A -Capacity: 5200mAh -Color:White/blue,Black/blue -Dimension:95(L) X 95(W) X 15(H)mm -Weight:140g -Power supply:DC5V 2.1A AC/DC adaptor