High power No.1 battery

Material:zinc-manganeseSize:7*11*3.5Instructions:Instructions for use: Please install the batteries accprding to the positive and negative (+-) poles direction of the electronic productsNote:1. Please store unused batteries in a cool place; 2. Please connect the positive (+) battery terminal and negative (-) battery terminal to the electronic product’s positive and negative terminals respectively; 3. Do not mix different brands, different typ