Spot could easily last an hour or more - BD quotes about 90 minutes of walking on a single charge. Atlas on the other hand is still a prototype, so it's not op

Spot could easily last an hour or more - BD quotes about 90 minutes of walking on a single charge. Atlas on the other hand is still a prototype, so it's not optimised in that regard and also much bigger, heavier and bulkier. I'd guess it doesn't last longer than maybe 20 minutes or so.