Enter the RYOBI 40V system with the 40V 12.0 Ah battery, This battery is a major addition to our RYOBI 40V collection, with 6X more runtime than the RYOBI 40V 2.0 Ah Compact Battery while delivering the same fade-free power and performance. The battery charges in just 120 minutes using the RYOBI 40V Rapid charger. All RYOBI 40V batteries feature an on-board fuel gauge to display remaining runtime. This battery works with most tools in the RYOBI 40V system - refer to the info and guides section for more information. This 40V 12.0 Ah Lithium-Ion Battery is backed by the RYOBI 5-year limited warranty for residential use and includes (1) OP4012A1 40V 12.0 Ah Lithium-Ion Battery and Operator's Manual. Charger sold separately.