ETL approved. Energy star certified. Charger not included. Requires 40 V Eco Sharp iCHRG40 charger. 40 V* lithium-ion technology: High capacity cells with no-fade power. No memory effect. Cord free operation: No gas, oil, tune-ups, pull-cords, or tangled extension cords. Eco-friendly: Zero emissions for cleaner air. Reliable performance: 5.0 Ah capacity provides up to 65 minutes of whisper-quiet run-time. Warranty: 90 Days. Made from lithium-ion. No assembly required. 6.5 in. L x 3.5 in. W x 2.5 in. H (2.6 lbs.).