Porter Cable 20V to Hercules 20V Battery AdapterThe Porter Cable 20V to Hercules 20V Battery Adapter makes your job easier by allowing you to use your Porter Cable 20V lithium batteries on Hercules 20V cordless power tools. Whether youre a DIYer or a professional, this adapter helps you save money by letting you power multiple tools with the same battery system. Built for durability and performance, it ensures a solid electrical connection and efficient power delivery so your tools run reliably