sargent ec155

Probably a stupid question I know but....... The Sargent EC155 has an inbuilt 'battery charger' when on hookup. I know this is a constant voltage charger, but if you connected it to the input of the Ablemail, would this not then convert it to a proper charger? Just wondering if i need to buy a...

Hi, I have a 2017 VW T6 Euro 6 with CTEK 250SA and Sargent EC155. All was fine until I connected the Solar panel cables. After connecting the panel the Sargent still worked fine, but when I turned on the ignition (With the Sargent on) the Sargent control pad started to beep, had 3 red led's...