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: Expect to pay $400–$800 per kWh for flow batteries, compared to $150–$300 per kWh for lithium-ion.
: Unlike lithium-ion, flow batteries are non-flammable and have no risk of thermal runaway. They can also handle 100% depth of discharge and "hibernation" for months without losing capacity. buy flow battery
: Because energy is stored in external liquid tanks, flow batteries are significantly bulkier. A typical residential unit might require 3–4 times the footprint of a lithium-ion system. Cost Dynamics (2026 Estimates) : : Expect to pay $400–$800 per kWh for
