Lithium Li-ion 18650 3.7V Battery Charger Board Adjustable DC-DC Step Up Boost Module

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

Quantity: 1 Pcs

 Can 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.

Package Contents:

1 x Step Up Boost Module