new dca1820 20v max to 18v adapter converter

feature : the adapter can be 20v 18v flat-head li-ion battery into the old 18v battery, effective and simple made 18v old tools efficient operation. 1.oem item;(plastic show colour deviation) 2.pure copper connector ,surface show dark ,due to no extra surface treatment; 3.built-in pcba ; 4. battery and tools not included . 5.adapter will not fit in dewalt 18v chargers