Victron - BlueSolar PWM-Pro Charge Controller 12/24V-5A [SCC010005010] Microprocessor controlled Li-battery combiner/isolators Note that Ziehl UFR1001E is

Note that Ziehl UFR1001E is also available as a separate product

the Battery Balancer will turn on and compare the voltage over the two series connected batteries

The priority source typically is the mains

The Filax 2 is available in two models:

BlueSolar PWM-LCD&USB

Victron - BlueSolar PWM-Pro Charge Controller 12/24V-5A [SCC010005010] Microprocessor controlled Li-battery combiner/isolators Note that Ziehl UFR1001E isBlueSolar PWM Pro The BlueSolar PWM Pro series is ready for use with its default settings. It also is fully programmable. Lighting control function, fully programmable. Three stage battery charging (bulk, absorption, float), fully programmable. Integrated battery monitor function (Remote Panel needed to display state of charge). Load output with low voltage disconnect and manual control (default setting). Optional external temperature sensor. Load