Bluetooth Smart built-in: dongle not needed > The wireless solution to set-up, monitor and update the controller using Apple and Android smartphones, tablets or other devices.
Ultra-fast Maximum Power Point Tracking (MPPT) Especially in case of a clouded sky, when light intensity is changing continuously, an ultra-fast MPPT controller will improve energy harvest by up to 30% compared to PWM charge controllers and by up to 10% compared to slower MPPT controllers