The Renata Battery CR2477N is a great quality lithium battery. Being Swiss made, these have been tested for quality and offer excellent reliability to the users. They offer a great run time to the products they are used in. The batteries can last many years even in devices that are used on a daily basis. Additionally, the batteries are leak proof, thus keeping your device safe even if it is not used for a long time. This also makes keeping the batteries in storage at home safe.