Sun Joe 24-volt 12-in Straight Cordless String Trimmer Edger Capable 4 Ah (Battery & Charger Included) in the Cordless Electric String Trimmers department at Lowes.com
RYOBI ONE+ 18V 13 in. Cordless Battery String Trimmer/Edger with Extra 5-Pack of Spools, 4.0 Ah Battery and Charger P2080-AC5 - The Home Depot