★ using lithium polymer battery .
★ three polymer battery pack.
★ 2 -output , can charge two devices at the same time
★ 5V 2.1A maximum output current can be charged to the IPAD .
★ maximum input current of 1.5A , mobile power full of only about 6.5 hours .
★ aluminum shell, durable.
★ with overcharge, over discharge, short circuit protection, the highest safety standards.