We focus on providing high quality batteries and related accessories. This 100% brand new iRobot ALB-D1 battery is designed for long-lasting and stable performance. The battery for iRobot Roomba i3 i4 i7 e5 7150 7550 5150 e5158 e5154 e6 e6198 provides a one-year warranty, faster delivery and thoughtful after-sales service.