5V 1000mA/1200mA Lithium Battery Polymer Charge and Discharge Board DIY Step UP Boost Power Module for Mobile Phone Power Bank

Features: 1.Small Volume:2.2*1.8*1.0cm 2.Complete Function:boosting,lithium battery charging,undervoltage protection,output short circuit protection,cellphone charge identifying circuit 3.Superlow Static Current:whole circuit only consumes 0.1MA without connecting load;don't need manual operation;It will standby if without load,and only consumes electricity 0.1MA 4.Circuit has high integration level;external circuit is simple,so it has high reliability Parameter: 1.Charging Voltage/Current:DC 5V/1000mA(when charging,red light is on;when fully charged,green light is on ) 2.USB Output Voltage/Current:DC5V/1200mA(please don't connect more than 1200mA appliances for long time ) 3.Charging Interface:Micro USB port 4.Size:2.2*1.8*1.0cm Notice: 1.Don't use output to connect more than 1200mA devices;otherwise,PCB will burn 2.Please connect battery with B+,B- two ports;the polarity must be right,transposition will burn the chip