step up modulLi-ion 18650 nabíječka

features: 100% Brand New and High Quality 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. 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" Quantity: 1 Pcs Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 1 x Step Up Boost Module