Got a nice big yard? Then you'll love the HART 40V 6.0Ah Lithium-Ion Battery. This high-capacity battery gets 3x more runtime than HART's 40V 2.0 Ah battery, while delivering the same fade-free power and performance. That means you'll be able to tackle any outdoor lawn & garden project that comes your way. We packed all that power into a slim battery design for a more comfortable experience. It also features an onboard fuel gauge that displays the remaining runtime. What's more, this 6.0Ah battery is compatible with all HART 40V outdoor tools and 40V chargers. Throw in a limited 3-year warranty and you can see why there's never been a better time to go cordless. Get ALL POWER, NO GAS with the HART 6.0Ah Battery. This product is sold as a single battery and does not include a charger. 6.0Ah battery compatible with all HART 40V outdoor tools & 40V chargers Charger sold separately Fade-free lithium-ion power Onboard fuel gauge displays remaining runtime Limited 3-year warranty