Victron - Argofet 100-3 Three batteries 100A [ARG100301020] Blue Power Chargers Blue Smart IP65 Charger 12/10

Blue Smart IP65 Charger 12/10

for example the Cerbo GX or Ekrano GX

All models with adjustable output can also be used as a battery charger

The Buck-Boost DC/DC converter will reduce or stop charge when the battery temperature drops too low

The MultiPlus

Victron - Argofet 100-3 Three batteries 100A [ARG100301020] Blue Power Chargers Blue Smart IP65 Charger 12/10Similarly to Argodiode battery isolators, Argofet isolators allow simultaneous charging of two or more batteries from one alternator (or a single output battery charger), without connecting the batteries together. In contrast with Argodiode battery isolators, Argofet isolators have virtually no voltage loss. Voltage drop is less than 0,02 Volt at low current and averages 0,1 Volt at higher currents.