3.7V 9V 5V Adjustable Step Up 18650 Li-ion Battery Charge Discharge Module, 501 Original

Specification:Input voltage: DC4.5-8VOutput voltage: DC4.3V-27V (positioner counterclockwise rotating boost)Output current: 2A MAXCharging voltage 4.2V, charging current 1ASize: 33*23*5mm/1.29*0.9*0.19''Packaging weight: 5gOperation:Before use and before debugging, the default output is about 9V.Input voltage: 4.5-8VOutput voltage can be continuously adjusted 4.3-27V(Over 4.3V, below 27V, can output any voltage, reversible clockwise adjustable voltage)Charging voltage: 4.2V, charging current 1ACalculating Discharge Current 2A Output CurrentOutput reference maximum current 5V 1.4A, 9V 0.8A, 12V 0.6AThe static current is about 0.5 mA.There is no overdischarge protection for overcharge protection (2V cut-off boost is possible, but 2V output is still not blocked)Cut-off boost 2V, depending on the situation, whether to add protective plateFor example, VIN + BAT + terminal of 5V solar panel can output 4.2V to 3.7V 18650 battery charging OUT + terminal output adjustable voltage need to be adjusted.It can be used for multimeter and recharging lithium batteryNote: Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand.1 X 3.7V 9V 5V 2A Adjustable Step Up Module