Module Lithium Li-ion 18650 Step Up Boost Step Up Module Battery Charger Board DC-DC Converter

Label:Yes High-power:5W Input Voltage Range:4.2V~6.5V Output voltage: 4.2V-28V Packing List:1Pc Step Up Module Working Temperature: -40~80℃ Product Features and Parameters: Up to 1A programmable linear charging current For single-cell 3.7V lithium battery, fully charged with 4.2V Constant current/constant voltage charging, with over temperature protection Soft start to limit inrush current, with battery reverse connection protection Low power standby, prolong battery life Dual output of charging status, no battery and fault status display Can be activated by 0V, 2.9V trickle charging Adjustable Maximum power 5W Note: Size for manual measurement, there may be a 0 to 1cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!