... charger[Power bank/ mobile power ] features: Cell type : polymer lithium-ion battery (BAK)Capacity: 5000mAhInput voltage: DC5.0 ~ 6.0VOutput ... play system, one-touch control, intelligent power system;4) protection functions: MCU and intelligent control circuit, over-current, over ... charge, over discharge, short circuit ,temperature protection and so on.5) All power bank have main adapter ...