The MILWAUKEE® PACKOUT™ M18 Battery Rack provides the most secure mounting when paired with PACKOUT™ Wall Plates. The Milwaukee PACKOUT™ M18 Battery Rack features clip-in battery storage that keeps batteries securely held in place. Connectivity with all PACKOUT™ solutions enables you to fully customize your shop. This M18 Battery Rack is optimized to store up to 4 M18 batteries of any size. MILWAUKEE® PACKOUT™ is the industry's most versatile and durable modular storage system.