ITEM NAME:USB lithium lipo 18650 battery charger 3.7V 4.2V to 5V 9V 12V 24V step up modu & Product Description: 100% Brand New and High Quality Input voltage: 4.5-8V DC Output voltage: 4.3-27V DC adjustable Charging voltage: 4.2V DC Charging current: 1A max Discharging current: 2A max For example: VIN + side connected 5V solar panels, BAT + terminal can output 4.2V to 3.7V 18650 battery charge. OUT + terminal can output an adjustable voltage. Can be used for multimeter, converted to lithium battery charging. Package Included:.Find many great options and get the best deals for USB lithium lipo 18650 battery charger 3.7V 4.2V to 5V 9V 12V 24V step up modu & at the best online prices at shop2india!