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Batteries for Solar Applications
Solar PV batteries: off-grid, hybrid backup and self-consumption with storage. A good solar battery accepts slow daytime panel charge, discharges slowly at night and tolerates thousands of cycles at 50% DoD without capacity loss.
Three dominant technologies: deep cycle AGM (entry), OPzS / OPzV (stationary 20-25 years), and LiFePO4 lithium (premium, 4,000-6,000 cycles at 80% DoD).