The Shark ION Robot R76 delighted reviewers with its battery life. Experts from Rtings liked that the R76 kept running for more than two hours when set to its Max suction power mode.
When they switched it to Eco mode, the R76 lasted three hours. In both instances, the R76 lasts longer than other Shark variants – see our Shark ION P50 Upright vacuum review.
Critics also commended the R76 for its bare floor performance, noting that it cleared up 97% and 99% of large and small debris on its highest setting. They also liked how it handled high and low pile carpet, picking up 74% and 53% of large debris, respectively.
However, the Shark ION Robot R76 struggled to pick up small debris, clearing 20% and 19% of small debris on high and low pile rugs.
Testers were also disappointed with its high maintenance needs and recurring costs since its pre-motor filter, brush roll, side brushes, and the front wheel will need to be cleaned almost weekly and replaced every six to twelve months.