Semi-Automatic. Combines manual tensioning with battery-powered automatic sealing. Handles 3/8, 1/2, 5/8 and 3/4" strapping. 12V Li-ion battery ? Up to 750 seals per charge. 95-min. recharge. Good for up to 2,000 charges. Touchpad for easy weld time adjustments. Includes tool, 1 battery and charger. Replacement Battery available.ULINE offers over 41,000 boxes, plastic poly bags, mailing tubes, warehouse supplies and bubble wrap for your storage, packaging, or shipping supplies.