Feature●Built-In Bluetooth Smart: Monitor or update the controller via smartphones or other devices. (No longer requires a dongle)●12 / 24 / 48V Auto Select (software tool needed to select 36V)●Ultra-fast Maximum Power Point Tracking (MPPT) and 99% peak efficiency●Multi-stage charging with intelligent battery management●5 Year WarrantyDescription
MPPT solar charge controller with leading technology and great quality.