SunRobotics 3.7V To 5V 9V StepUp Adjustable Module 2A 18650 Lithium Battery Charging Booster Electronic Components Electronic Hobby Kit

This Is TP4056 DC-DC 3.7V To 5V 9V Step Up Adjustable Module 2A 18650 Lithium Battery Charging Booster Module.It has Input voltage: 4.5-8VOutput voltage: continuous adjustable 4.3-27V (Counter clockwise to boost voltage)Charging voltage: 4.2VCharging current: up to 1ADischarge current: the maximum 2AOutput reference maximum current: 5V 1.4A, 9V 0.8A, 12V 0.6AQuiescent current: about 0.5 mAOvershoot protection: YesOver discharge protection: None (also can be said yes, because 2V cut-off boost but does not block the output, output has 2V)Deadline boost:: 2V, depending on whether added the additional protection boardSize: 3.3 x 2.3 x 0.9cmConnecting example, VIN + connect 5V solar panel, BAT + terminal can output 4.2V to charging 3.7V 18650 battery,OUT + side can output an adjustable voltageCan be used for multimeter, modified lithium battery charging Package includes:1 x Lithium Battery Charging Discharge Integrated Module.