Features: Multiple function,stores battery compartments, charging boards and other accessories to keep power tool components neatly organized. For easy charging of batteries, providing a convenient charging case . For battery box special design, perfect fit to ensure the stability and safety of use. From strong, lightweighted and with certain pressure resistance, protects the battery and accessories from damage. Precise size design, fix the battery box, charging plate and other parts together, effectively avoid friction and collision. Low power consumption,the working current is about 25uA and quiescents current is about 6uA. Specifications: Item:Battery Case Storage Box For Battery Case Component: Plastic and Metal Size:about 120x49x75mm/4.72x1.93x2.95in Optional Type： For 5pcs/10pcs/15pcs/20pcs Batteries Storage Package Includes: 1Set Battery Case note: Due to the problem of lighting effects there is certain tolerances in product, please understand. Please allow 0-1cm error due to the measurement.