Yes but ....
Can it make a cup of tea and change grannie's nappy?
A 20-inch robot powered by just three rechargeable batteries will take on the gruelling Iron Man triathlon course. Because it can. The robot – consisting of a small green and white body and a modest battery-pack will have to swim, run and bike for 230km (143miles). Mr Evolta comes with three interchangeable body parts, which …
Battery manufacturers should only be made to publish capacities on non-rechargeables if they also publish self-discharge rates at room temperature for rechargeables.
Standard NiMH rechargeables lose betwee 0.5% and 1% of their charge each day. They are great for frequent use items, but otherwise....
(For comparison, standard non-rechargeables lose around 1% in 6 months, and Eneloop-style rechargeables lose around 1% in four weeks.)
The battery doesn't even have a comparison to their own Oxy-Alkaline battery, and it seems that in some cases the Oxy-Alkaline product may last longer.
The real question is, are these going to be used for submersibles? There's the Seahorse, with 9,216 D-cell batteries. Are they going to switch to the new tech, eh?