. How to charge 12, 24 and 36 volt batteries from a 12 volt alternator. Yandina Marine Electronics Which Trollbridge Do I Need Yandina Logo


WHICH COMBINER OR TROLLBRIDGE DO I NEED?

SELECT (OR UPDATE) EACH OF THE FOLLOWING 5 OPTIONS

1> TROLLING MOTOR VOLTAGE 12 Volts; 24 Volts 36 Volts

2> ALTERNATOR OUTPUT RATING
This is the maximum charging source available for charging batteries, engine or shore power.
100 amps or less (typical)
200 amps or less
greater than 200 amps

3> HOW MUCH LOAD
Most trolling motors use less than 100 amps but the Trollbridge system can also handle multiple motors, bow thrusters, anchor winches etc.
100 amps or less (typical)
500 amps or less

4> ISOLATING THE STARTING BATTERY
If you use the starting battery for supplying the trolling motor you can save weight but you run the risk of not being able to start your main engine if you run the batteries down using the trolling motor.
If you isolate the starting battery you need an additional battery for running the trolling motor but you will always be able to start your engine.
Starting battery will also be used for the trolling motor.
Starting battery will be isolated from trolling battery(ies).

5> DO YOU WANT A DEDICATED HOUSE BATTERY?
House loads can be run from the starting battery with the risk of not being able to start the engine if the house loads discharge it.
A dedicated house battery isolates these loads and protects the starting battery from discharge.
With the Trollbridge System you can also save a battery by using one of the trolling batteries.
No, the starting battery will support house loads. (Not shown on schematic.)
Yes, the house battery will be charged manually using a switch. (Not shown on schematic.)
Yes, the house battery will be charged automatically with a Combiner or Trollbridge.
No, use the trolling battery for house loads. (Not shown on schematic.)

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