Model: ST-E800A Outer dimensions: 245 × 114 × 102 mm Specifications: 1/4", 3/8", 1/2", 5/8" (16 mm), 3/4" (19 mm) Optional flange clamps: 6 mm, 8 mm (5/16"), 10 mm, 12 mm Tube expansion shape: 45° flange Nominal voltage: 11.1 V Capacity: 2200 mAh Tube expansion capacity: Up to 135 flanges on 5/8" copper tube (fully charged) Charging time: Approximately 100 minutes Operating temperature: 5°C to 40°C