Convert your AA batteries into reliable D-size power sources with this convenient set of 4 Battery Adapter Converter Cases. Designed to connect three AA batteries together to replace a large D battery, this adapter offers a practical and cost-effective solution for various electronics and emergency situations. Crafted from durable and environmentally friendly ABS material, these battery holders ensure strong toughness and long-lasting performance without compromising your health. Key Features: · Efficient Battery Conversion: Easily transforms three standard AA batteries into one D battery, providing greater flexibility and extended battery life for your devices. · Durable ABS Material: Made from high-quality environmental material that is safe, sturdy, and resistant to wear, ensuring reliable use over time. · Compact and Portable: Small in size (6 x 3.3 cm), these adapters are lightweight and easy to carry, making them ideal for on-the-go use and emergency preparedness. · Strong Toughness and Strength: Engineered for durability to withstand frequent handling and maintain solid battery connections. · Versatile Application: Perfectly suited for a wide range of electronic devices that require D-size batteries, especially useful in situations where only AA batteries are available. · Fine Workmanship: Precisely manufactured with a standby specification for dependable battery conversion every time. Specifications: · Material: ABS · Color: White · Size: 6 x 3.3 cm (2.36 x 1.3 inches) · Quantity: 4 pieces per set · Package Weight: 81g · Function: Convert three AA batteries into one D battery Package Includes: · 4 x Battery Holder Converters This Battery Adapter Converter set provides a practical, eco-friendly solution to extend the usability of AA batteries by converting them into D-size power cells. Whether for everyday electronics or emergency use, these durable and portable adapters deliver convenience and enhanced battery capacity wherever you need it.