The army’s grand imaginative and prescient of an all-electric fleet of tanks is being stymied by a battery sector that’s not even near delivering the ability the Army wants, in line with two Pentagon officers.

The technological challenges imply not a single all-electric preventing automobile is at the moment deployed within the discipline, with the Defense Department hoping intense curiosity in scaling up batteries for shopper and utility sectors will result in breakthroughs for the battlefield.

To cost a 50-ton tracked fight automobile contained in the Army’s most popular envelope of quarter-hour, troopers would want a 17-megawatt charging station—greater than 20 instances larger than the …