RYOBI ONE+ 18V 10 in. Cordless Battery String Trimmer and Edger with Extra 3-Pack of Spools, 1.3 Ah Battery, and Charger P2030-AC - The Home Depot
WORX Weed Wacker POWER SHARE 4Ah 20-volt 12-in Telescopic Battery String Trimmer with Edger Conversion Capable 4 Ah (Battery & Charger Included) in the String Trimmers department at Lowes.com
RYOBI ONE+ HP 18V Brushless 13 in. Cordless Battery String Trimmer with 4.0 Ah Battery and Charger P20120 - The Home Depot
Amazon.com : Cordless Weed Trimmer Battery Powered, 21V Lightweight Weed Wacker with 2 Li-Ion Battery, 1 Charger and 11 Cutting Blades, 47 Inch Powerful Weed Eater for Lawn, Yard, Garden, Bush Trimming