Expert Guides
Extend the lifespan of your Coredy robot with our official maintenance guides.
Shark Robot Dying Fast? Identifying the "Prong Problem" Before You Buy
Confused about Shark batteries? Learn the difference between RVBAT850 (2-prong) and RVBAT700 (3-prong), and why a 3200mAh upgrade is the best fix for the R85 and IQ series.
Why You Can't Find a Shark Battery (And What To Do)
Frustrated? You've checked the official Shark website, and the RVBAT850 battery is either "Out of Stock" or nowhere to be found. You are not alone. As models like the ION...
Eufy RoboVac Beeping 4 Times? Here's The Fix.
You love your Eufy 11S. It’s quiet, slim, and efficient. But recently, it started acting up. You put it on the charger, and instead of a peaceful blue light, you...