XRAY’s Supercharged 1200 NiMH 2/3 6-cell micro pack features super high capability specially-treated 1200mAh batteries built in a pack to make the best power, unmatched top cost, and unmatched run-times the M18. The battery pack will fit standard M18 composite framework meaning graphite framework. The pack includes standard micro plug, so that it will efficiently fit any rate controller. For many easily of good use performance we recommend using top-quality XRAY XMC300 rate controller.