【USB Rechargeable C Batteries】No need for a charger or adapter, can be quickly fully charged within 2 hours using a 4 in 1 USB cable, simply plug into a USB port for easy charging. 【Long-lasting】C cell batteries capacity of 5000mWh, can be recharged more than 1200 times, effectively reducing the waste of disposable batteries, saving you money. 【LED Indicator Management】When charging, the LED will hold on red; when fully charged, the LED will remain green. 【Wide Application】Batteries c size are compatible with a wide range of electronic devices such as wireless toys,flashlights,Christmas decorations, flameless candles,clocks, electronic pianos, radios, emergency lights,stereos, electric trash cansand more. 【Non-polluting C Battery】Lithium c batteries contain no mercury, cadmium and lead.Reducing the impact of hazardous substances on human health and the environment. 【Your Satisfaction is Our Top Priority】If you have any concerns or issues with the products , please contact us , we will reply you in 24 hours and provide you a satisfactory solution. 1.5 usb c