WORX WG800.1 3.6-Volt Lithium-Ion Cordless Grass Shear/Hedge Trimmer Lithium Ion battery technology: long life, lightweight, no self-discharge, no memory effect. Over mold soft grip handle reduces fatigue and improves grip Compact, lightweight design, Battery charging indicator Quick tool-free conversion from shrub shear to grass shear Please refer the trouble shooting guidelines under product details.