Description:_x000D_ The item is a set of 4pcs battery adapter converter cases, which are specially used to connect three AA batteries together for replacing a large D battery. It is perfect for electronics and emergency situations._x000D_ _x000D_ Features:_x000D_ 1. Made of environmental material, harmless to your health._x000D_ 2. Small size, easy to carry._x000D_ 3. Large strength and strong toughness._x000D_ 4. Perfect for electronics and emergency situations._x000D_ 5. Fine workmanship, standby specification, 3 x AA battery can be converted into 1 x D battery._x000D_ 6. Can convert any size AA battery to a size D battery. Option to use 1 AA,2 AA or use 3 AA for more capacity._x000D_ _x000D_ Specifications:_x000D_ Size: 6 x 3.3cm / 2.36 x 1.3inch_x000D_ Quantity: 4_x000D_ Material: ABS_x000D_ Color: White_x000D_ Package Weight: 81g_x000D_ Function: Convert 3 AA battery to a D battery_x000D_ _x000D_ Attention: Size may be slight inaccuracy due to different batches of the products, or hand measurement. Color may be little different due to monitors. Please take real product as standard, thanks for your understanding!_x000D_ _x000D_ Package included:_x000D_ 4 x Battery Holder Converters 1Can convert any size AA battery to a size D battery. Option to use 1 AA,2 AA or use 3 AA for more capacity 2Fine workmanship, standby specification, 3 x AA battery can be converted into 1 x D battery 3Large strength and strong toughness 4Small size, easy to carry. Perfect for electronics and emergency situations 5Made of environmental material, harmless to your health