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a16z-backed Base Power has launched its large home battery systems in Illinois, entering the PJM Interconnection grid territory which is struggling with soaring electricity demand and high prices. The startup offers cheaper power to residents by bypassing traditional grid bottlenecks, deploying batteries "behind the meter." This move aims to stabilize the stressed grid and provide a more affordable energy option for consumers.
Donut Lab's solid-state battery endured damage testing, failing to ignite but losing 55% of its charge capacity and experiencing a 17% thickness increase. The company highlights its "graceful failure" safety, yet independent verification for key claims like 100,000 cycles and 400 Wh/kg energy density remains absent.
