SJZBIN 5V2.4A 18650 Charging Board Charging Board Mobile Power Module Mobile Power Bank Module Lithium Battery Charger Board Overdischarge Short Circuit Protection DIY USB Power Bank Board

Product name: Lithium battery digital display charging module. Product type: 5V2.4A three charging ports. Product material: high quality metal. Product packaging: a lithium battery digital display charging module. Product value: The working temperature is -5~45 degrees Celsius. Dual output current is 5V 2.4A. Input voltage is B+ to B: 3.0 - 4.2V. The maximum continuous charge and discharge current is 1.5/2.4A. Product features: The product has the characteristics of overcharge protection, overdischarge protection and short circuit protection, and the product supports three types of USB data cable charging, including Iphone and Android, with strong practicability. Product use: This product is a portable backup power supply, the input matches the 5.0V adapter, and can charge the internal battery. And the built-in battery can be used for portable devices, providing 5.0V/3.0A USB2.0 power output for external devices. Note: The positive pole of the battery is connected to B+, the negative pole is connected to B, and must not be reversed. (If it is flipped, it will burn out.)