Duracell 1/3N battery

Duracell High Power Lithium 1/3 N batteries are made of high purity lithium for your optical devices (with 'red-dot' or laser), medical devices (glucose monitors) and electronic dog collars. They offer up to 10 years storage guarantee with Duralock Power Preserve technology, so you can be sure that these lithium batteries will always work when you need them.