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Dockside charger for sailboat — sizing for 2026 lithium bank

Sizing the dockside charger for lithium means 30% of bank capacity (recommended), 50% maximum (rare). Brand choices: Victron Blue Smart, Skylla-i, MultiPlus (combo inverter). Mandatory LFP profiles (never lead-acid). Calculating 230 V harbor power, cable sizes, fuses. 2026 HT budget per lithium bank.