How long does the battery last and how long to charge?

It runs up to 60 minutes and recharges in about 155 minutes. That suits apartments and smaller floors better than large open plans.

Does it work on high-pile carpet?

Samsung lists high-pile carpet among supported surfaces, and Easy Pass Wheels help it climb obstacles. Very plush carpet can still slow it down.

Does it have a HEPA filter?

No. It uses a washable anti-allergy filter, which Samsung describes as HEPA-grade but is not a certified HEPA filter.

Does it work with Alexa and Google Assistant?

Yes. It connects over Wi-Fi and supports both Amazon Alexa and Google Assistant for app and voice control.

What comes in the box?

The box includes the battery charger and the rechargeable storage base. Filters, brushes and the brushroll are not included beyond what is fitted on the unit.

Is the Samsung POWERbot R7040 worth it?

It is a reasonable buy for pet hair on mixed floors if you want mapping and voice control. Check that replacement filters and brushes are available before you commit.