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

Label:Yes Working Temperature: -40~80℃ Input Voltage Range:4.2V~6.5V High-power:5W Packing List:1Pc Step Up Module Output voltage: 4.2V-28V

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!