MiniTrencher GeoRipper GREB400-GW 16" Battery Powered Trencher - The GeoRipper® EB product line is a perfect addition to the GeoRipper minitrenchers. Recognizing the market shift towards electric battery outdoor power equipment, Minitrencher users have the option of the complete trenching unit that utilizes a battery-powered motor. GeoRipper® is an ideal digging solution for irrigation, root barriers, landscape lighting, and other pipe and wire installations.