Some mobile power bank sources have an automatic power-off function, and the output current of 90mA will automatically power off. It is recommended to use wall USB Adapter.
3V with two dummy fake battery,4.5V with four dummy fake battery,6V with six dummy fake battery(as conductor,no power )
AAA AA Fake batteries cannot be used in parallel, only in series,Can not be mixed with a real AAA AA battery.
A model is 1.5V,B model is 3V,C model is 4.5V,D model is 6V,Replace 1 to 4pcs AA AAA battery power supply cord,This eliminates the need for 1 to 4pcs 1.5V AAA AA batteries,2in1 design,can powered 1pc AAA and 1pc AA devices at the same time.
If your device need 1pc battery,please choose 1.5V version,If your device need 3pcs battery,please choose 4.5V version,green dummy battery is conductor,no power.
