Product details of

• 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 and
• Package Included:1 x Lithium Li-ion Battery Boost Charger Module.