... bank 1,capacity:2800mAh 2,cell type: 18650 core 3,Dimission:98*60*55MM 4,warranty:one ... can provide convenient and simple charging service.2, With high effective power manage technology, which is safe ... polymer lithium batteries, long lifespan, and more safety.9, Auto power off, make better use of battery ... NEW Design 2800mAh power bank for iphone5 with Built-in Cable for micro usb phone/iPhone