Victron BlueSolar PWM DUO-LCD-USB 12/24V-20A

Features:

PWM controller
Charges two separate batteries. For example the starter battery and the service battery of a boat or
mobile home
Programmable charge current ratio (standard setting: equal current to both batteries)
Charge voltage settings for three battery types (Gel, AGM, and Flooded)
Internal temperature sensor and optional remote temperature sensor
Protected against overcurrent
Protected against short circuit
Protected against reverse polarity connection of the solar panels and/or battery