DAOKAI Battery Charger Board,18650 Lithium Li-ion Battery Charger module,DC-DC Step Up Boost Module Adjustable charge and discharge 3.7V 4.2V to 5V/9V 1A,with Single battery case,pack of 5

Product Features

• WHAT IT DOES: The 18650 Lithium Li-ion Battery Charger Board can be used as a mobile power supply to power lithium-ion battery devices, adjustable output voltage.Can charge and discharge at the same time, the maximum current is 1A.
• OUTPUT AND INPUT: The module supports type-c interface input and behind the labeled input solder joint input, choose one of them can, the recommended voltage of about 5V.Module marked with two outputs these two outputs are the same.
• CHARGING INDICATOR: Module can roughly judge the working status by two LEDs and other states, CHRG is red light, STDBY is blue light;Battery charging state red light is bright, blue light is not bright,full bright blue light, red light is slightly bright.
• NOTE: The batteries can only be connected in parallel, not in series;the batteries cannot be reversed;the random voltage of this module needs to be checked with a multimeter.
• APPLICATION RANGE: It can be used for DIY multimeter, mobile power supply, PCB power protection board, mobile phone charging.
• PROTECTION FUNCTION: The charging module has its own protection function, so there is no need to worry about whether the battery has a protection function
• PACKAGE INCLUDES: 5 x 18650 Lithium Li-ion Battery Charger Board;5 x 18650 with cable Single battery case.