10Pcs TP4056 3.7V 4.2V 9V 5V 2A Adjustable DC-DC Step Up Boost Module 18650 Lithium Li-ion Battery Charger Discharge Power Board DIY Kit Parts

TP4056 3.7V module input: 4.5-8V DC; Output: 4.3-27V DC (Adjustable); Battery charge termination voltage: 4.2V; Battery charge current: 1A Max; Battery Discharge current: 2A Max ; Maximum DC Output: 7W ( 5V 1.4A / 9V 0.8A / 12V 0.6A ) Battery charger module made of electronic components.Can be used for multimeter, converted to lithium battery charging. Battery charger module combines the TP4056 battery charger with a boost circuit. Adds a battery and converts a low power DC device to a USB rechargeable device. Instructions for use: TP4056 Charger Module can be used for multimeter to convert to charge lithium batteries. VIN+ port input 5V solar panel, BAT+ port can output 4.2V to charger 3.7V 18650 battery. Before use, before debugging, the default output is about 9V. Input voltage 4.5-8V The output voltage can be continuously adjusted 4.3-27V (4.3V or more, 27V or less, any voltage can be output, you can adjust the voltage counterclockwise) Charging voltage 4.2V Charging current is 1A Discharge current 2A output current to calculate Output reference maximum current 5V 1.4A , 9V 0.8A, 12V 0.6A Static current is about 0.5 mA