Amazon.com : RYOBI ONE+ HP 18V Brushless 13 in. Cordless Battery String Trimmer with 4.0 Ah Battery and Charger : Patio, Lawn & Garden
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