Suitable for 3.7V or 4.2V lithium batteries. 3.7V 9V 5V 2A Adjustable Step Up 18650 Lithium Battery Charging Discharge Integrated Module Can be used for mustimeters, modified lithium battery charging Designed protect lithium battery (18650) from burnout during charging or discharging. 3.7V lithium battery charge discharge integrated module Can be used with many applications: Ex: A multi-meter converted to a lithium battery charger, VIN+Port input 5V solar panels, BAT+port can output 4.2V to charger 3.7V 18650 battery Charging current: Max. 1A Discharging current: Max. 2A
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