Part of the Ryobi ONE+ system, this Ryobi 18V 1.7Ah battery is compatible with the full range of ONE+ tools for the home and garden but is ideally suited to heavy-duty applications such as sanding, cutting and mowing. Ryobi Lithium+ technology provides more power, longer runtimes, and better durability than previous battery technologies. IntelliCell technology monitors and balances individual cells to maximise power.