RYOBI introduces the 18V ONE+ 3.0Ah Battery & Compact Fast Charger Starter Kit . These LITHIUM+HP batteries feature advanced electronics to allow you to maximize tool performance with added capacity to all 18V ONE+ tools. With superior runtime, power, and performance, these batteries can take on more demanding applications than ever before with the introduction of HP technology. HP communication technology paired with Brushless tools maximizes performance in all applications, allowing users to make faster cuts, drive larger screws, utilize bigger drill bits, etc. They have a durably constructed frame for impact protection and have a built-in 4-bar illuminated charge indicator.