Argodiode 140-3AC 3 batteries 140A Retail ARG140301020R

Victron Energy Diode Battery Isolator Argo 1403AC. Three batteries, 140A

Diode battery isolators allow simultaneous charging of two or more batteries from one alternator, without connecting the batteries together. Discharging the accessory battery for example will not result in also discharging the starter battery.