🔋 What You Get: Compatible with 18V Li-Ion batteries (Makita-type design) Secure locking system — batteries click firmly into place and stay secure during transport Reinforced ergonomic carry handle — balanced and comfortable to carry Compact and stable base design Durable 3D-printed housing made from high-strength technical polymer Organized storage solution — keeps batteries protected and easily accessible ⚡ Charging Function: One dedicated slot allows installation of a battery connected to a USB module for device charging Three additional slots are designed for safe transport and storage only