5V 1A 2A Solar Mobile Power Bank Boost Module 18650 Lithium Battery Charging Circuit Board Micro USB 1.5A For Phone DIY
3.Output:5V 1A or 5V 2A
4.Input Interface:V8 port,micro USB
5.Electricity Quantity Display:4 grade LED lamp to display electricity quantity,non-operation state automatic power off
6.Charging Display:when charging 0-25%,the first light will flash,and other lights are off;when charging 25%-50%,the second light will flash,and the first light remains on;when charging 50%-75%,the third light will flash,and the first two lights remain on;when charging 75%-100%,the fourth light will flash,and the first three lights remain on;then the four lights are all on until charging to 100%
1.Adaptive Battery: 3.7-4.2V polymer battery
2.Protection Function:overvoltage protection;overcurrent protection;undervoltage protection
3.Charging Input Requirement:the most advisable is over 5V 1A charger,and any other 5V constant vltage power supply can also be used.