ECO WORTHY 10.24kWh 2Pack 48V 100AH LiFePO4 Battery+6kw Off grid An Eco friendly Smartwatch Made from Recycled Materials with a Solar 6 Outstanding Sustainable Watch Brands Strapcode Watch Bands This environmentally friendly solar watch donates a tree! How to maximize the battery life of the KLOKI watch?. GENERAL SPECIFICATIONSProduct: Watch Battery Only Battery Cell Composition: Silver Oxide Recommended Uses for Product: Watch Battery Count: 1 Cell Model Compatibility: Fit OA LK Operating Temperature Range: 40 Degrees Celsius to +85 Degrees Celsius Shelf Life: 5 years Leakage Resistance: Anti Leak Design Movement Compatibility: Quartz Swiss or Chinese or Japanese Movement Water Resistance Compatibility: Suitable for 50m Water Resistant Watches Mercury Free: Environmentally Friendly (0% Hg) High Low Temperature Tolerance: Extended Performance in Extreme Climates SKU: OA LK_K0052545