Features:

• 18650 Power Bank Board Dual USB 5V 2.4A Mobile Power Bank Module Lithium Battery Charger Board
• Input: Type-C and Micro USB 5V-1A 
• Output: 2 High-quality USB interfaces 5V-2.4A (High Current Consumption and Small loss)- New fast dual output intelligent control system.
• The power supply board is designed with a key switch - "one key control": click the key, you can display the power level, there are four LED power indicator lights, representing 25%, 50%, 75%, 100% respectively.
• Battery type: 18650 battery (flat, not flashlight-specific 18650 battery