ITEM NAME:3AA(LR6) to D Size Parallel Battery Convertor Adapter Holders Case Description: Product name: Battery Power Converterï ¼â€ºMaterialï ¼Å¡Plastic+Alloy Size ï ¼Å¡57x32x32mm / 2.24x1.25x1.25inch Output voltage: 1.5V. To connect three AA batteries together for replacing a D type battery. A cheap and effective way to get rid of D size batteries and D battery recharger. Package Includes: 1 Piece Battery Converter Adapter Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. SKU: ALU0017185268006202.1 Piece Battery Converter Adapter. To connect three AA batteries together for replacing a D type battery. Color may be slightly different since different monitor.