Duracell High Power Lithium camera batteries offer reliable, long-lasting power for your specialty devices such as digital cameras. They’ll preserve power up to 10 years in storage, guaranteed, with Duralock Power Preserve Technology, so you can be confident these batteries will be ready when you need them. Up to a 10-year guarantee in storage with Duralock Power Preserve Technology Perfect for digital cameras Contains 0% mercury; Lithium