40V Lithium-Ion Battery Delivers Fade-Free Power With No Memory Loss After Charging, Quick Charge Time Of 120 Minutes For 100% & 80% Only 70 Minutes, Built-In Led Indicators To Show Charge Level, One Battery System For Multiple Tools Offers A Complete Garden Work Solution, 4 Ampere Hours, 144 Watt Hours, 40V High Power Interchangeable Battery System, Product Weight: 1.32Kg, 2 Year Domestic Warranty