Probodobodyne RoveMate
From Kerbal Space Program Wiki
“ | A general purpose housing, intended to be the base for all manner of spacecraft - in particular, surface rovers. Somebody left a battery inside it during manufacturing, so it has some electric storage capacity as well. — Probodobodyne Inc. |
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It is a part made for use in rovers, although it can be used in other things as well. It can also hold an Electric Charge of 25 units.