2 articles on winter storage — guides, reviews and comparisons from the team that measures real lawns.
Tips & Maintenance How to Winterize a Robot Mower (Battery, Blades & Storage) When to stop mowing, how to store the battery (about half charge), what stays outside, and the end-of-season clean — the dealer winterization routine. 
Tips & Maintenance 10 Things You Should NEVER Do With a Robot Mower People destroy $3,000 robot mowers in totally avoidable ways. The 10 mistakes to never make — from night-mow complaints to standing water and winter storage. 