This Ryobi 18V ONE+™ Lithium+ 2.0Ah Battery & 2.0A Charger Kit is perfect for DIYers and hobbyists who need a compact battery pack. It's part of the Ryobi ONE+™ system of over 200 cordless tools for the home, garden, automotive, crafting and much more. The innovative Ryobi Lithium+ battery technology offers more power, longer runtimes, and better durability than previous lithium batteries. It features IntelliCell™ technology which monitors and balances individual cells to maximise run-times, storage life, and safety.