The Greenworks 80V 5Ah lithium-ion battery (Model #BAB743, Item #2983902) measures approximately 9 x 4.75 x 4 inches and provides extended runtime compared to the 4Ah model, making it ideal for larger yards and more demanding outdoor power tasks. Compatible with all Greenworks 80V platform tools. Like new in original box with no damage or missing components. Battery only — charger not included.