Li-ion 18 650 3.7V 4.2V Battery Charger Board DC-DC Step Up Boost Module Fad~gu

Features: brand new high quality Made of high quality material durable It can be used in multimeters and converted to charge lithium batteries. For example: the VIN+ port inputs a 5V solar panel and the BAT+ port can output 4.2V to charge a 3.7V 18 650 battery. Note: OUT+ port can output adjustable voltage. Product parameters: Input voltage: 4.5-8V DC Output voltage: 4.3-27V DC (continuously adjustable) Charging voltage: 4.2V DC Charging current: max. 1A Discharge current: max. 2A Size: 3.3x2.3cm/1.3x0.91 Quantity: 1 piece Package Included: 1 * boost module Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.