Smart USB-C Charging: Enjoy hassle-free charging with the included 4 in 1 USB-C cable. Fully recharge these C batteries in just 2 hours, making them ready for immediate use. Eco-Friendly Reusability: These C-type lithium batteries boast an impressive 1000+ recharge cycles, significantly reducing waste and saving you money compared to single-use alkaline batteries. LED Charging Indicator: Monitor charging status with ease thanks to the LED indicator. It glows red while charging and turns green when fully charged, ensuring you always know the C batteries status. Advanced Safety Features: Equipped with a built-in safety circuit, these rechargeable lithium C batteries are protected against over-discharge and over-charge. Automatic shut-off upon full charge for peace of mind. Eco-Conscious Choice: Go green with these mercury, cadmium, and lead-free lithium C cell batteries. They are a sustainable alternative to disposable batteries, helping to minimize environmental impact. 1