The Autonnic AptiVolt Alternator Manager converts the sources of power it is connected to to AptiRail levels so as to be available to all Battery Managers. 
It can also be used, with a VAR20, to charge one battery from another - such as the dinghy battery.
 
- Boosts alternator output up to 20A
- Extracts high currents even when Alternator voltage is lower than the batterys'
- Accepts other DC inputs such as an existing battery charger
- Feeds power to AptiRail
- 3 levels of Priority
- powered by the inputs
- 98% efficient
- 2 separate inputs
- Battery present for sensed alternators
- AptiLoop enabled
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