BLACK+DECKER 20-volt Max 10-in Straight Cordless String Trimmer with Attachment Capable and Edger Capable 1.5 Ah (Battery and Charger Included) in the Cordless Electric String Trimmers department at Lowes.com
Milwaukee to Black and Decker Battery Adapter – Power Tools Adapters
20V Max* Powerconnect 1.5Ah Lithium Ion Battery | BLACK+DECKER