There is a variety of chargers,from 12V/16Α to 24V/120Α.All the models and technical details can be found here
You can also check the results of the comparative test on marine battery chargers published in well known French magazine.
-3 years warranty
-Charge3 batteries simultaneously
-Parallel mount ability in order to multiply output current
-Ergonomic and modern design
-Εquipped with a selection wheel allowing to set up the charger according the battery type and the application.
-12V/16A, 12V/25A, 12V/40A, 24V/12A and 24V/20A chargers have no cooling fan (silent operation)
The digital display has been designed for working with the CPS2 & the CPS3 battery charger range.
This option - stand-alone remote panel - shows current and voltage information related to the battery charger and different banks of batteries.
-It can monitor up to 3 batteries simultaneously
-Temperature sensor (optional)
-High/low voltage alarm for each battery
-2 years warranty