Victron Energy SmartSolar MPPT 75/15 – 15A Solar Charge Controller with Bluetooth & VE.DirectMaximize your solar energy harvest with the Victron Energy SmartSolar MPPT 75 15. Designed for 12V and 24V systems, this 15A solar charge controller utilizes ultra fast Maximum Power Point Tracking (MPPT) to ensure efficient charging, even under challenging conditions like partial shading or fluctuating light. Key Features: Ultra Fast MPPT: Improves energy harvest by up to 30% compared to traditional PWM controllers and up to 10% over slower MPPT