18650 3.7V Rechargeable Flashlight Fan battery,Large Capacity 3C/ 5C/10C Cylindrical Lithium Battery Voltage:3.7V Capacity:1200mAh/1500mAh/1800mAh/2000mAh/2200mAh/2400mAh/2600mAh/3000mAh/3200mAh Siza:18*65mm Fit for:Flashlight, electric fan, power banks, battery pack, receiving audio, disinfector, children’s toys, lighting equipment, life small appliances, audio and video intelligence, mobile digital and other electronic products