DeWalt DW9057 Heavy-Duty 7.2V Compact NiCd Battery Pack

The DeWalt DW9057 is a Heavy-duty 7.2V Compact NiCd Battery Pack. The 7.2V compact battery is 10% lighter than standard batteries and 15% smaller than standard batteries. It powers the DeWalt line of 7.2V tools allowing users to run multiple tools off of the same battery pack.