LampVPath 8PCS 1AA to 1D Size Battery Adapter Case, AA to D Size Spacers, AA to Size D Battery Adapter Converter Case(8 Packs Black) Convert any size AA battery to a size D battery Battery Configuration: One AA battery(battery is not included) 8PCS AA to D Size Battery Adapter Case ABS material, environmental protection plastic material Weight: 7.5g per piece, Color: Black