How is the Guardian S robot powered? December 4, 2020 by Elevated A How is the Guardian S robot powered? Three (3) hot-swappable 14.4 V lithium-ion batteries power the Guardian S robot. The batteries can be fully charged in approximately three hours. Sarcos Insights Sarcos Subsidiary RE2, LLC Achieves Technical Milestone with Dexterous Underwater Robotic Gripper for U.S. Navy June 28, 2022 Sarcos Defense Awarded New Contract for Collaborative Sensing Platform by Air Force Research Laboratory May 19, 2022