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The Y&H solar charge controller uses the advanced MPPT technology to keep track of the maximum power point. The tracking efficiency is not less than 99.5%, suitable for sealed lead-acid batteries, ventilated gel batteries, lithium batteries and other types of batteries. 100% MPPT Technology 20A MPPT solar regulator, if the battery is 12V, the maximum input power of the solar panel is 240W, if the battery is 24V, the maximum input power is 480W; if the battery is 36V, the maximum input power of the solar panel is 720W; if the battery is 48V, the maximum input power of the solar panel is 960W 20A solar charge controller, automatic detection of 12V/24V/36V/48V. The rated charge current of the regulator is 20A, and the maximum charging conversion efficiency can reach 97%. 20A solar controller with excellent heat dissipation: 24-hour operating mode for loads