10 db 3,7 V 4,2 V lítium-lítium-ion 18650 akkumulátortöltő kártya DC-DC fokozható lítium akkumulátor töltő lépcsős modul
10pcs 3.7V 4.2V Lithium Li-ion 18650 Battery Charger Board DC-DC Step Up Boost Lithium Battery Charging Step-Up Board Module
be used for multimeter, converted to lithium battery charging
 
For example: VIN Port input 5V solar panels, BAT port can output 4.2V to charger 3.7V 18650 battery
Note: The OUT Port can output an adjustable voltage.
 
Specifications:
Input voltage: 4.5-8V DC
Output voltage: 4.3-27V DC (Continuously adjustable)
Charging voltage: 4.2V DC
Charging current: Max. 1A
Discharging current: Max. 2A
Size: 3.3x2.3cm/1.3x0.91"
1005002292753015 - dingheke