The BURNDY PATRIOT PAT644-LI Lithium-Ion tool is approximately 25% faster than the previous models. The PAT644-LI features the BURNDY Y644 dieless latch head which eliminates the need to purchase and maintain dies. The crimp head rotates 355 for operation in virtually any position. The PAT644-LI is supplied with a durable high impact formed carrying case to hold the tool, battery charger, two 18 volt Lithium-Ion batteries and tool retention lanyard. Most BURNDY PATRIOT 18V series tools are provided with a 5-year limited warranty.