... . Mercury and Cadmium Lead Free 3, Shelf Life: 3 years 4. SGS,RoHS,CE 5. OEM Available Alkaline Battery LR20/D/AM1 ... Capacity12000mAhDischarge Time3.9Ω-0.9V, 1920 minsDiameter32.9-33.3mmHeight60.5-61.0mmShelf Life3 yearsCertificatesRoHS, CE, SGSApplication:LR20 Alkaline Battery is ... metallic conductors such metallic wire!4. Keep the cell sealed!5. Don't unpack the battery or change its structure!6 ...