Enegitech 20V Max 4.0A Lithium Ion Battery Replacement for Porter cable PCC685L (2 pack) Powers all Porter-Cable 20V Max power tools No memory and minimal self-discharge, so battery is ready when needed Deliver more power and runtime in a smaller package 4000mAh battery delivers maximum runtime for heavy applications 100% QC of this battery, 30 Days Money Back and 1 Year Warranty