The MILWAUKEE® PACKOUT™ M12 Battery Rack provides the most secure mounting when paired with PACKOUT™ Wall Plates. The PACKOUT™ M12 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 M12 Battery Rack is optimized to store up to 4 M12 batteries of any size. MILWAUKEE® PACKOUT™ is the industry's most versatile and durable modular storage system.