The EGO Power+ adaptor is to be used with the BH1000, BHX1000 and BAX1500. It acts as a dummy battery for the tool, whilst having the high current capacity cable for our backpack batteries inserted to provide power. Our backpack batteries provide more flexibility for the way you work ā take the weight of the battery off your arms and get a more comfortable experience when using your tools. The ADB1000 adaptor simply slides into place the same as an EGO lithium-ion 56V battery would. Then to connect the power, insert the plug into the adaptor (until two clicks are heard).