Imagine holding a palm-sized device containing enough energy to power your home for eight hours. The Firefly Battery Module makes this possible through advanced lithium-ion architecture. Unlike traditional battery packs that resemble overstuffed suitcases, this modular wonder combines 48 prismatic cells in a space-saving configuration that's 30% more compact than conventional design
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Imagine holding a palm-sized device containing enough energy to power your home for eight hours. The Firefly Battery Module makes this possible through advanced lithium-ion architecture. Unlike traditional battery packs that resemble overstuffed suitcases, this modular wonder combines 48 prismatic cells in a space-saving configuration that's 30% more compact than conventional designs.
Traditional battery systems work like Christmas lights - one cell fails and the whole string goes dark. Firefly's patented Matrix Topology allows individual cell bypass during failures. Recent field data from Nevada's 100MW solar farm shows 99.98% uptime even with 12% cell degradation across modules.
The module's Quantum Cooling system uses shape-memory alloy veins that constrict during overheating. During 2024's Texas heatwave, Firefly-equipped storage facilities maintained 18% higher output than competitors while consuming 35% less cooling energy.
Singapore's all-electric ferries recently completed 100,000 nautical miles using Firefly modules. The secret? Saltwater immersion protection that survived three typhoon seasons. Meanwhile, Colorado's microgrid project achieved 2-second black start capability - faster than most diesel generators spin up.
As renewable penetration crosses 40% in major grids, the Firefly Battery Module emerges as the linchpin of energy transition strategies. Its ability to balance high C-rate performance with military-grade durability positions it uniquely in the storage hierarchy - not just as a component, but as the cornerstone of next-gen power systems.

This report explores trends in battery storage capacity additions in the United States and describes the state of the market as of 2018, including information on applications, cost, ongoing trends,. . This report explores trends in battery storage capacity additions in the United States and describes the state of the market as of 2018, including information on applications, cost, ongoing trends,. . In this report, we provide data on trends in battery storage capacity installations in the United States through 2019, including information on installation size, type, location, applications, cost. [pdf]
The remaining states have a total of around of 3.5 GW of installed battery storage capacity. Planned and currently operational U.S. utility-scale battery capacity totaled around 16 GW at the end of 2023. Developers plan to add another 15 GW in 2024 and around 9 GW in 2025, according to our latest Preliminary Monthly Electric Generator Inventory.
Two states with rapidly growing wind and solar generating fleets account for the bulk of the capacity additions. California has the most installed battery storage capacity of any state, with 7.3 GW, followed by Texas with 3.2 GW.
This report focuses on battery storage technologies, although other energy storage technologies are addressed in the appendix. Electrical, thermal, mechanical, and electrochemical technologies can be used to store energy. The capacity of battery storage is measured in two ways: power capacity and energy capacity.
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