Battery Charger Board 18650 Lithium Li-ion 3.7V 4.2V DC-DC Step Up Boost Module TP4056
The default output is 9V
Output reference maximum current 5V 1.4A , 9V 0.8A, 12V 0.6A
Static current is about 0.5 mA
The OUT+Port can output an adjustable voltage
For example: VIN+Port input 5V solar panels, BAT+port can output 4.2V to charger 3.7V 18650 battery
Specifications:
Discharging current: Max. 2A
Charging current: Max. 1A
Input voltage: 4.5-8V DC
Output voltage: 4.3-27V DC (Continuously adjustable)
Charging voltage: 4.2V DC
Size: 33 x 23 mm
