Crimps up to 600 MCM copper, 350 MCM aluminum and 477 ACSR cable Includes tool, O fixed die/D3 groove crimping jaw, two 4 Ah batteries, charger and bag 7 ton hydraulic force crimps a larger capacity faster than similar models on the market Green light indicator confirms a good crimp has been made Two work lights illuminate darker spaces Replacement blades available Powered by DeWALT 20V lithium-ion batteries (4 Ah)