Amazon.com : PATIOX Weed Wacker Cordless, Electric Weed Trimmer Rechargeable 3 in 1, One 2.5 Ah Battery Powered Weed Whacker Cordless 20V Grass Edger Trimmer with Blade and Charger (One Battery) :
CRAFTSMAN V20 20-volt Max 13-in Straight Battery String Trimmer with Edger Conversion Capable 2 Ah (Battery and Charger Included) in the String Trimmers department at Lowes.com
Best Battery Powered String Trimmers & Weed Eaters | PTR
VEVOR Cordless String Trimmer, 12" 20 V Battery Powered Weed Eater With Auto Feed, 3 Spools, Battery and Charger Included, Cordless Weed Wacker for Trimming and Edging, for Lawns, Orchards, Driveways | VEVOR US