The SMS 30A MPPT/PWM solar charge controller is a 12V/24V auto-detect device commonly used in solar power setups. It handles up to 30 amps of charging current and supports max PV power inputs typically ranging around 390W to 780W depending on the system voltage configuration. Key SpecificationsRated Voltage: 12V / 24V auto-recognitionCurrent Capacity: 30A maximum charging/load currentTechnology Types: Available in both MPPT and PWM variationsProtections: Overcharge, short-circuit, and reverse polarity safety