Most Secure Mounting;Clip-In M12 Battery Storage;Fully Customize Your Shop;Stores- 4 M12 Batteries;Securely Locks onto Wall Plates, Slides onto Tool Box Lids;15lbs Weight Capacity;L 2.6" x W 4" x H 13";Limited Lifetime Warranty;Includes (1) Packout M12 Battery Rack;Modular Connectivity with All Packout Components