Charging scale. This scale is included in 61001 Hydrocarbon charging kit. The charging scale has a capacity of 13.22 lb (6 kg) and an accuracy of 0.1%. Measurements include Grams (g), Pounds (lb), Pounds & Ounces (lb/oz), Ounces (oz), Milliliters (ml) with a resolution of 0.01 oz (0.05 g). This scale includes overload protection and an auto-off timer at 2-minutes to save power. It is powered by 3 AAA batteries and has a battery life of 50+ hours.