Power your longest projects and quickly recharge when the job is done with the RYOBI 40V 12Ah Lithium Starter Kit. This higher capacity battery delivers longer runtime for projects that require extended use. IntelliCell Electronics, a smarter power and runtime management system, maximizes performance to keep your tools performing at their best, even during demanding use. Advanced lithium-ion cells provide reliable, fade-free power that keep your tools operating at full power until the job is done. The COOL-CORE heat management system regulates pack temperature to keep it running cooler and maintain consistent output during use. A durable pack design with anti-vibration technology adds protection against impacts and everyday wear. A high-visibility LED fuel gauge clearly displays remaining runtime. Recharge 2X faster than the standard 40V charger so you can move on to the next project quicker. The chargers LED indicator provides charge status as the battery is charged and maintained. Fan cooled technology provides improved heat management during use, which protects your battery and extends its life. This charger is wall mountable for convenience storage. Part of the RYOBI 40V system - any 40V battery works with any 40V product. This 40V 12Ah Lithium Battery is backed by the RYOBI 5-year warranty and the charger is a 3-year warranty. This kit includes and includes OP4012A1 40V 12Ah Lithium Battery, OP408A 40V Fast Charger, and Operator's Manuals.