Portable Balance, CX2200 EUReadability (d) 1g, Capacity 2200g. Alkaline batteries provide up to 1,000 hours of continuous use, making for energy efficient weighing in the workplace, classroom, etc. Large backlit display increases Readability (d) in low light conditions and makes it easier to view results from a distance. Slim, space saving design allows for stackable storage for up to four scales. Energy Efficient Portable Scale Suitable for Workplace and in the Field Weighing