【Converter bottom】 For Black&Decker 20V Lithium Battery;For Porter Cable 20V Lithium Battery;For Stanley 20V Lithium Ion Battery 【Converter top】Compatible with Dewalt 18V 20V Li-ion Battery power tools. 【WARNING】Make sure that the battery is fully inserted for normal use.Please do not force into the battery pack, if the battery pack can not be installed, the installation method may be wrong 【Note】This product is only compatible with the tools, not compatible with the charger, Do not use the adapter to charge the battery，When you need to charge the battery, remove the converter. 【Package Included】1 x Adapter (Adapter Only, Not Include Batteries & Tools) Package Included: 1 * Battery convert adapter（battery not included） 1 * manual