This cookie is set by GDPR Cookie Consent plugin. These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. The new ‘AC’ diode isolators feature a special current limited energize input that will power the B+ when the engine run/stop switch is closed. Inserting a Diode or FET splitter will however prevent any return voltage/current from the batteries to the B+, and the alternator will not start. Obviously, DC will be present when the alternator is directly connected to a battery. Some alternators need DC voltage on the B+ output to start charging. The result can be that batteries are not charged to the full 100% and age prematurely. Simply inserting the isolator in the cabling between the alternator and the batteries will slightly reduce charge voltage. Please see Victron Energy’s ‘Energy Unlimited’ or ask for specialist advice when installing a diode isolator. This compensates for the voltage drop over the diodes in the isolator. All models are fitted with a compensation diode that can be used to slightly increase the output voltage of the alternator. The Argo Battery Isolators feature a low voltage drop thanks to the use of Schottky diodes: at low current the voltage drop is approximately 0,3 V and at the rated output approximately 0,45 V.
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