Battery shield 18650 3.7v/TWO BATTERES to 5v with charger protection

Battery shield 18650   3.7v/TWO BATTERES to 5v with charger protection Intelligent input and output without worrying about long charging time. Support 3V / 1A and 5V / 2.2A two voltage output! Please charge and activate the board before use, otherwise it will not work properly Alarm protection when the battery is lower than 3V, and completely shut down without action when the battery is lower than 2.4V Special attention: the positive and negative poles must be determined for installation, and the positive and negative poles are clearly marked on the board! Wrong installation will burn the module!       نعتذر الشراء من الموقع متوقف مؤقتا     We apologize : purchasing from our website is temporarily stopped