As part of the Ryobi ONE+™ system of over 150 cordless tools for the home, garden, automotive, crafting and much more, the Ryobi 18V ONE+™ RB18L50 5.0Ah Lithium+ Battery is perfect for DIYers who need a compact battery pack. Ideal for DIYers and hobbyists who want to power their first Ryobi ONE+™ tool or add more batteries to their system. The innovative Ryobi Lithium+ battery technology gives more power, longer run-times and better durability than previous lithium batteries. Featuring IntelliCell™ technology which monitors and balances individual cells to maximise run-times, storage life and safety. The tough pack design with built in impact protection ensures long term durability.