Earthwise LST02010 10" Cordless Electric 20-Volt Grass String Trimmer (2Ah Battery and Charger Included) - Walmart.com
BLACK+DECKER 20-volt Max 10-in Straight Battery String Trimmer with Edger Conversion Capable 1.5 Ah (Battery & Charger Included) in the String Trimmers department at Lowes.com